#!/bin/bash
# Patch apllying tool template
# v0.1.2
# (c) Copyright 2013. Magento Inc.
#
# DO NOT CHANGE ANY LINE IN THIS FILE.

# 1. Check required system tools
_check_installed_tools() {
    local missed=""

    until [ -z "$1" ]; do
        type -t $1 >/dev/null 2>/dev/null
        if (( $? != 0 )); then
            missed="$missed $1"
        fi
        shift
    done

    echo $missed
}

REQUIRED_UTILS='sed patch'
MISSED_REQUIRED_TOOLS=`_check_installed_tools $REQUIRED_UTILS`
if (( `echo $MISSED_REQUIRED_TOOLS | wc -w` > 0 ));
then
    echo -e "Error! Some required system tools, that are utilized in this sh script, are not installed:\nTool(s) \"$MISSED_REQUIRED_TOOLS\" is(are) missed, please install it(them)."
    exit 1
fi

# 2. Determine bin path for system tools
CAT_BIN=`which cat`
PATCH_BIN=`which patch`
SED_BIN=`which sed`
PWD_BIN=`which pwd`
BASENAME_BIN=`which basename`

BASE_NAME=`$BASENAME_BIN "$0"`

# 3. Help menu
if [ "$1" = "-?" -o "$1" = "-h" -o "$1" = "--help" ]
then
    $CAT_BIN << EOFH
Usage: sh $BASE_NAME [--help] [-R|--revert] [--list]
Apply embedded patch.

-R, --revert    Revert previously applied embedded patch
--list          Show list of applied patches
--help          Show this help message
EOFH
    exit 0
fi

# 4. Get "revert" flag and "list applied patches" flag
REVERT_FLAG=
SHOW_APPLIED_LIST=0
if [ "$1" = "-R" -o "$1" = "--revert" ]
then
    REVERT_FLAG=-R
fi
if [ "$1" = "--list" ]
then
    SHOW_APPLIED_LIST=1
fi

# 5. File pathes
CURRENT_DIR=`$PWD_BIN`/
APP_ETC_DIR=`echo "$CURRENT_DIR""app/etc/"`
APPLIED_PATCHES_LIST_FILE=`echo "$APP_ETC_DIR""applied.patches.list"`

# 6. Show applied patches list if requested
if [ "$SHOW_APPLIED_LIST" -eq 1 ] ; then
    echo -e "Applied/reverted patches list:"
    if [ -e "$APPLIED_PATCHES_LIST_FILE" ]
    then
        if [ ! -r "$APPLIED_PATCHES_LIST_FILE" ]
        then
            echo "ERROR: \"$APPLIED_PATCHES_LIST_FILE\" must be readable so applied patches list can be shown."
            exit 1
        else
            $SED_BIN -n "/SUP-\|SUPEE-/p" $APPLIED_PATCHES_LIST_FILE
        fi
    else
        echo "<empty>"
    fi
    exit 0
fi

# 7. Check applied patches track file and its directory
_check_files() {
    if [ ! -e "$APP_ETC_DIR" ]
    then
        echo "ERROR: \"$APP_ETC_DIR\" must exist for proper tool work."
        exit 1
    fi

    if [ ! -w "$APP_ETC_DIR" ]
    then
        echo "ERROR: \"$APP_ETC_DIR\" must be writeable for proper tool work."
        exit 1
    fi

    if [ -e "$APPLIED_PATCHES_LIST_FILE" ]
    then
        if [ ! -w "$APPLIED_PATCHES_LIST_FILE" ]
        then
            echo "ERROR: \"$APPLIED_PATCHES_LIST_FILE\" must be writeable for proper tool work."
            exit 1
        fi
    fi
}

_check_files

# 8. Apply/revert patch
# Note: there is no need to check files permissions for files to be patched.
# "patch" tool will not modify any file if there is not enough permissions for all files to be modified.
# Get start points for additional information and patch data
SKIP_LINES=$((`$SED_BIN -n "/^__PATCHFILE_FOLLOWS__$/=" "$CURRENT_DIR""$BASE_NAME"` + 1))
ADDITIONAL_INFO_LINE=$(($SKIP_LINES - 3))p

_apply_revert_patch() {
    DRY_RUN_FLAG=
    if [ "$1" = "dry-run" ]
    then
        DRY_RUN_FLAG=" --dry-run"
        echo "Checking if patch can be applied/reverted successfully..."
    fi
    PATCH_APPLY_REVERT_RESULT=`$SED_BIN -e '1,/^__PATCHFILE_FOLLOWS__$/d' "$CURRENT_DIR""$BASE_NAME" | $PATCH_BIN $DRY_RUN_FLAG $REVERT_FLAG -p0`
    PATCH_APPLY_REVERT_STATUS=$?
    if [ $PATCH_APPLY_REVERT_STATUS -eq 1 ] ; then
        echo -e "ERROR: Patch can't be applied/reverted successfully.\n\n$PATCH_APPLY_REVERT_RESULT"
        exit 1
    fi
    if [ $PATCH_APPLY_REVERT_STATUS -eq 2 ] ; then
        echo -e "ERROR: Patch can't be applied/reverted successfully."
        exit 2
    fi
}

REVERTED_PATCH_MARK=
if [ -n "$REVERT_FLAG" ]
then
    REVERTED_PATCH_MARK=" | REVERTED"
fi

_apply_revert_patch dry-run
_apply_revert_patch

# 9. Track patch applying result
echo "Patch was applied/reverted successfully."
ADDITIONAL_INFO=`$SED_BIN -n ""$ADDITIONAL_INFO_LINE"" "$CURRENT_DIR""$BASE_NAME"`
APPLIED_REVERTED_ON_DATE=`date -u +"%F %T UTC"`
APPLIED_REVERTED_PATCH_INFO=`echo -n "$APPLIED_REVERTED_ON_DATE"" | ""$ADDITIONAL_INFO""$REVERTED_PATCH_MARK"`
echo -e "$APPLIED_REVERTED_PATCH_INFO\n$PATCH_APPLY_REVERT_RESULT\n\n" >> "$APPLIED_PATCHES_LIST_FILE"

exit 0


PATCH_SUPEE-9767_CE_1.7.0.2_v1.sh | CE_1.7.0.2 | v1 | 226caf7 | Mon Feb 20 17:33:39 2017 +0200 | 2321b14

__PATCHFILE_FOLLOWS__
diff --git app/code/core/Mage/Admin/Model/Session.php app/code/core/Mage/Admin/Model/Session.php
index 5fd6f4c..d78495b 100644
--- app/code/core/Mage/Admin/Model/Session.php
+++ app/code/core/Mage/Admin/Model/Session.php
@@ -138,6 +138,9 @@ public function login($username, $password, $request = null)
                 Mage::throwException(Mage::helper('adminhtml')->__('Invalid User Name or Password.'));
             }
         } catch (Mage_Core_Exception $e) {
+            $e->setMessage(
+                Mage::helper('adminhtml')->__('You did not sign in correctly or your account is temporarily disabled.')
+            );
             Mage::dispatchEvent('admin_session_user_login_failed',
                 array('user_name' => $username, 'exception' => $e));
             if ($request && !$request->getParam('messageSent')) {
diff --git app/code/core/Mage/Adminhtml/Block/Checkout/Formkey.php app/code/core/Mage/Adminhtml/Block/Checkout/Formkey.php
new file mode 100644
index 0000000..f4d8fb8
--- /dev/null
+++ app/code/core/Mage/Adminhtml/Block/Checkout/Formkey.php
@@ -0,0 +1,52 @@
+<?php
+/**
+ * Magento
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Open Software License (OSL 3.0)
+ * that is bundled with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://opensource.org/licenses/osl-3.0.php
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@magentocommerce.com so we can send you a copy immediately.
+ *
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade Magento to newer
+ * versions in the future. If you wish to customize Magento for your
+ * needs please refer to http://www.magentocommerce.com for more information.
+ *
+ * @category    Mage
+ * @package     Mage_Adminhtml
+ * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
+ * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+ */
+
+/**
+ * Class Mage_Adminhtml_Block_Checkout_Formkey
+ */
+class Mage_Adminhtml_Block_Checkout_Formkey extends Mage_Adminhtml_Block_Template
+{
+    /**
+     * Check form key validation on checkout.
+     * If disabled, show notice.
+     *
+     * @return boolean
+     */
+    public function canShow()
+    {
+        return !Mage::getStoreConfigFlag('admin/security/validate_formkey_checkout');
+    }
+
+    /**
+     * Get url for edit Advanced -> Admin section
+     *
+     * @return string
+     */
+    public function getSecurityAdminUrl()
+    {
+        return Mage::helper("adminhtml")->getUrl('adminhtml/system_config/edit/section/admin');
+    }
+}
diff --git app/code/core/Mage/Adminhtml/Block/Notification/Symlink.php app/code/core/Mage/Adminhtml/Block/Notification/Symlink.php
new file mode 100644
index 0000000..97dce56
--- /dev/null
+++ app/code/core/Mage/Adminhtml/Block/Notification/Symlink.php
@@ -0,0 +1,36 @@
+<?php
+/**
+ * Magento
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Open Software License (OSL 3.0)
+ * that is bundled with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://opensource.org/licenses/osl-3.0.php
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@magentocommerce.com so we can send you a copy immediately.
+ *
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade Magento to newer
+ * versions in the future. If you wish to customize Magento for your
+ * needs please refer to http://www.magentocommerce.com for more information.
+ *
+ * @category    Mage
+ * @package     Mage_Adminhtml
+ * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
+ * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+ */
+
+class Mage_Adminhtml_Block_Notification_Symlink extends Mage_Adminhtml_Block_Template
+{
+    /**
+     * @return bool
+     */
+    public function isSymlinkEnabled()
+    {
+        return Mage::getStoreConfigFlag(self::XML_PATH_TEMPLATE_ALLOW_SYMLINK);
+    }
+}
diff --git app/code/core/Mage/Adminhtml/Block/Widget/Grid/Column/Filter/Date.php app/code/core/Mage/Adminhtml/Block/Widget/Grid/Column/Filter/Date.php
index a25fedd..692f4c3 100644
--- app/code/core/Mage/Adminhtml/Block/Widget/Grid/Column/Filter/Date.php
+++ app/code/core/Mage/Adminhtml/Block/Widget/Grid/Column/Filter/Date.php
@@ -137,11 +137,11 @@ public function setValue($value)
         if (isset($value['locale'])) {
             if (!empty($value['from'])) {
                 $value['orig_from'] = $value['from'];
-                $value['from'] = $this->_convertDate($value['from'], $value['locale']);
+                $value['from'] = $this->_convertDate($this->stripTags($value['from']), $value['locale']);
             }
             if (!empty($value['to'])) {
                 $value['orig_to'] = $value['to'];
-                $value['to'] = $this->_convertDate($value['to'], $value['locale']);
+                $value['to'] = $this->_convertDate($this->stripTags($value['to']), $value['locale']);
             }
         }
         if (empty($value['from']) && empty($value['to'])) {
diff --git app/code/core/Mage/Adminhtml/Model/Config/Data.php app/code/core/Mage/Adminhtml/Model/Config/Data.php
index 749ee52..b6c0450 100644
--- app/code/core/Mage/Adminhtml/Model/Config/Data.php
+++ app/code/core/Mage/Adminhtml/Model/Config/Data.php
@@ -167,6 +167,9 @@ public function save()
                 if (is_object($fieldConfig)) {
                     $configPath = (string)$fieldConfig->config_path;
                     if (!empty($configPath) && strrpos($configPath, '/') > 0) {
+                        if (!Mage::getSingleton('admin/session')->isAllowed($configPath)) {
+                            Mage::throwException('Access denied.');
+                        }
                         // Extend old data with specified section group
                         $groupPath = substr($configPath, 0, strrpos($configPath, '/'));
                         if (!isset($oldConfigAdditionalGroups[$groupPath])) {
diff --git app/code/core/Mage/Adminhtml/controllers/Catalog/Product/GalleryController.php app/code/core/Mage/Adminhtml/controllers/Catalog/Product/GalleryController.php
index 186d4b7..4311408 100644
--- app/code/core/Mage/Adminhtml/controllers/Catalog/Product/GalleryController.php
+++ app/code/core/Mage/Adminhtml/controllers/Catalog/Product/GalleryController.php
@@ -42,6 +42,11 @@ public function uploadAction()
                 Mage::helper('catalog/image'), 'validateUploadFile');
             $uploader->setAllowRenameFiles(true);
             $uploader->setFilesDispersion(true);
+            $uploader->addValidateCallback(
+                Mage_Core_Model_File_Validator_Image::NAME,
+                Mage::getModel('core/file_validator_image'),
+                'validate'
+            );
             $result = $uploader->save(
                 Mage::getSingleton('catalog/product_media_config')->getBaseTmpMediaPath()
             );
diff --git app/code/core/Mage/Checkout/controllers/MultishippingController.php app/code/core/Mage/Checkout/controllers/MultishippingController.php
index fb370f2..79ebf1d 100644
--- app/code/core/Mage/Checkout/controllers/MultishippingController.php
+++ app/code/core/Mage/Checkout/controllers/MultishippingController.php
@@ -233,6 +233,12 @@ public function addressesPostAction()
             $this->_redirect('*/multishipping_address/newShipping');
             return;
         }
+
+        if ($this->isFormkeyValidationOnCheckoutEnabled() && !$this->_validateFormKey()) {
+            $this->_redirect('*/*/addresses');
+            return;
+        }
+
         try {
             if ($this->getRequest()->getParam('continue', false)) {
                 $this->_getCheckout()->setCollectRatesFlag(true);
@@ -339,6 +345,11 @@ public function backToShippingAction()
 
     public function shippingPostAction()
     {
+        if ($this->isFormkeyValidationOnCheckoutEnabled() && !$this->_validateFormKey()) {
+            $this->_redirect('*/*/shipping');
+            return;
+        }
+
         $shippingMethods = $this->getRequest()->getPost('shipping_method');
         try {
             Mage::dispatchEvent(
@@ -442,6 +453,11 @@ public function overviewAction()
             return $this;
         }
 
+        if ($this->isFormkeyValidationOnCheckoutEnabled() && !$this->_validateFormKey()) {
+            $this->_redirect('*/*/billing');
+            return;
+        }
+
         $this->_getState()->setActiveStep(Mage_Checkout_Model_Type_Multishipping_State::STEP_OVERVIEW);
 
         try {
diff --git app/code/core/Mage/Checkout/controllers/OnepageController.php app/code/core/Mage/Checkout/controllers/OnepageController.php
index 55d0833..09c517c 100644
--- app/code/core/Mage/Checkout/controllers/OnepageController.php
+++ app/code/core/Mage/Checkout/controllers/OnepageController.php
@@ -327,6 +327,11 @@ public function saveMethodAction()
         if ($this->_expireAjax()) {
             return;
         }
+
+        if ($this->isFormkeyValidationOnCheckoutEnabled() && !$this->_validateFormKey()) {
+            return;
+        }
+
         if ($this->getRequest()->isPost()) {
             $method = $this->getRequest()->getPost('method');
             $result = $this->getOnepage()->saveCheckoutMethod($method);
@@ -342,6 +347,11 @@ public function saveBillingAction()
         if ($this->_expireAjax()) {
             return;
         }
+
+        if ($this->isFormkeyValidationOnCheckoutEnabled() && !$this->_validateFormKey()) {
+            return;
+        }
+
         if ($this->getRequest()->isPost()) {
 //            $postData = $this->getRequest()->getPost('billing', array());
 //            $data = $this->_filterPostData($postData);
@@ -387,6 +397,11 @@ public function saveShippingAction()
         if ($this->_expireAjax()) {
             return;
         }
+
+        if ($this->isFormkeyValidationOnCheckoutEnabled() && !$this->_validateFormKey()) {
+            return;
+        }
+
         if ($this->getRequest()->isPost()) {
             $data = $this->getRequest()->getPost('shipping', array());
             $customerAddressId = $this->getRequest()->getPost('shipping_address_id', false);
@@ -411,6 +426,11 @@ public function saveShippingMethodAction()
         if ($this->_expireAjax()) {
             return;
         }
+
+        if ($this->isFormkeyValidationOnCheckoutEnabled() && !$this->_validateFormKey()) {
+            return;
+        }
+
         if ($this->getRequest()->isPost()) {
             $data = $this->getRequest()->getPost('shipping_method', '');
             $result = $this->getOnepage()->saveShippingMethod($data);
@@ -445,6 +465,11 @@ public function savePaymentAction()
         if ($this->_expireAjax()) {
             return;
         }
+
+        if ($this->isFormkeyValidationOnCheckoutEnabled() && !$this->_validateFormKey()) {
+            return;
+        }
+
         try {
             if (!$this->getRequest()->isPost()) {
                 $this->_ajaxRedirectResponse();
diff --git app/code/core/Mage/Checkout/etc/system.xml app/code/core/Mage/Checkout/etc/system.xml
index 7741532..62d1fe6 100644
--- app/code/core/Mage/Checkout/etc/system.xml
+++ app/code/core/Mage/Checkout/etc/system.xml
@@ -232,5 +232,23 @@
                 </payment_failed>
             </groups>
         </checkout>
+        <admin>
+            <groups>
+                <security>
+                    <fields>
+                        <validate_formkey_checkout translate="label">
+                            <label>Enable Form Key Validation On Checkout</label>
+                            <frontend_type>select</frontend_type>
+                            <source_model>adminhtml/system_config_source_yesno</source_model>
+                            <sort_order>4</sort_order>
+                            <comment><![CDATA[<strong style="color:red">Important!</strong> Enabling this option means
+                            that your custom templates used in checkout process contain form_key output.
+                            Otherwise checkout may not work.]]></comment>
+                            <show_in_default>1</show_in_default>
+                        </validate_formkey_checkout>
+                    </fields>
+                </security>
+            </groups>
+        </admin>
     </sections>
 </config>
diff --git app/code/core/Mage/Cms/Model/Wysiwyg/Images/Storage.php app/code/core/Mage/Cms/Model/Wysiwyg/Images/Storage.php
index a8f0c52..808e5ce 100644
--- app/code/core/Mage/Cms/Model/Wysiwyg/Images/Storage.php
+++ app/code/core/Mage/Cms/Model/Wysiwyg/Images/Storage.php
@@ -282,6 +282,11 @@ public function uploadFile($targetPath, $type = null)
         }
         $uploader->setAllowRenameFiles(true);
         $uploader->setFilesDispersion(false);
+        $uploader->addValidateCallback(
+            Mage_Core_Model_File_Validator_Image::NAME,
+            Mage::getModel('core/file_validator_image'),
+            'validate'
+        );
         $result = $uploader->save($targetPath);
 
         if (!$result) {
diff --git app/code/core/Mage/Core/Controller/Front/Action.php app/code/core/Mage/Core/Controller/Front/Action.php
index ba615cc..d3e5a34 100755
--- app/code/core/Mage/Core/Controller/Front/Action.php
+++ app/code/core/Mage/Core/Controller/Front/Action.php
@@ -39,6 +39,11 @@ class Mage_Core_Controller_Front_Action extends Mage_Core_Controller_Varien_Acti
     const SESSION_NAMESPACE = 'frontend';
 
     /**
+     * Add secret key to url config path
+     */
+    const XML_CSRF_USE_FLAG_CONFIG_PATH   = 'system/csrf/use_form_key';
+
+    /**
      * Currently used area
      *
      * @var string
@@ -159,4 +164,28 @@ protected function _prepareDownloadResponse($fileName, $content, $contentType =
         }
         return $this;
     }
+
+    /**
+     * Check if form_key validation enabled on checkout process
+     *
+     * @return bool
+     */
+    protected function isFormkeyValidationOnCheckoutEnabled()
+    {
+        return Mage::getStoreConfigFlag('admin/security/validate_formkey_checkout');
+    }
+
+    /**
+     * Validate Form Key
+     *
+     * @return bool
+     */
+    protected function _validateFormKey()
+    {
+        $validated = true;
+        if (Mage::getStoreConfigFlag(self::XML_CSRF_USE_FLAG_CONFIG_PATH)) {
+            $validated = parent::_validateFormKey();
+        }
+        return $validated;
+    }
 }
diff --git app/code/core/Mage/Core/Controller/Request/Http.php app/code/core/Mage/Core/Controller/Request/Http.php
index aa4dd8d..6536ebd 100644
--- app/code/core/Mage/Core/Controller/Request/Http.php
+++ app/code/core/Mage/Core/Controller/Request/Http.php
@@ -148,7 +148,10 @@ public function setPathInfo($pathInfo = null)
             $baseUrl = $this->getBaseUrl();
             $pathInfo = substr($requestUri, strlen($baseUrl));
 
-            if ((null !== $baseUrl) && (false === $pathInfo)) {
+            if ($baseUrl && $pathInfo && (0 !== stripos($pathInfo, '/'))) {
+                $pathInfo = '';
+                $this->setActionName('noRoute');
+            } elseif ((null !== $baseUrl) && (false === $pathInfo)) {
                 $pathInfo = '';
             } elseif (null === $baseUrl) {
                 $pathInfo = $requestUri;
diff --git app/code/core/Mage/Core/Model/File/Validator/Image.php app/code/core/Mage/Core/Model/File/Validator/Image.php
index 7f7b9d0..cbbcbb1 100644
--- app/code/core/Mage/Core/Model/File/Validator/Image.php
+++ app/code/core/Mage/Core/Model/File/Validator/Image.php
@@ -87,10 +87,33 @@ public function setAllowedImageTypes(array $imageFileExtensions = array())
      */
     public function validate($filePath)
     {
-        $fileInfo = getimagesize($filePath);
-        if (is_array($fileInfo) and isset($fileInfo[2])) {
-            if ($this->isImageType($fileInfo[2])) {
-                return null;
+        list($imageWidth, $imageHeight, $fileType) = getimagesize($filePath);
+        if ($fileType) {
+            if ($this->isImageType($fileType)) {
+                //replace tmp image with re-sampled copy to exclude images with malicious data
+                $image = imagecreatefromstring(file_get_contents($filePath));
+                if ($image !== false) {
+                    $img = imagecreatetruecolor($imageWidth, $imageHeight);
+                    imagecopyresampled($img, $image, 0, 0, 0, 0, $imageWidth, $imageHeight, $imageWidth, $imageHeight);
+                    switch ($fileType) {
+                        case IMAGETYPE_GIF:
+                            imagegif($img, $filePath);
+                            break;
+                        case IMAGETYPE_JPEG:
+                            imagejpeg($img, $filePath, 100);
+                            break;
+                        case IMAGETYPE_PNG:
+                            imagepng($img, $filePath);
+                            break;
+                        default:
+                            return;
+                    }
+                    imagedestroy($img);
+                    imagedestroy($image);
+                    return null;
+                } else {
+                    throw Mage::exception('Mage_Core', Mage::helper('core')->__('Invalid image.'));
+                }
             }
         }
         throw Mage::exception('Mage_Core', Mage::helper('core')->__('Invalid MIME type.'));
@@ -105,5 +128,4 @@ protected function isImageType($nImageType)
     {
         return in_array($nImageType, $this->_allowedImageTypes);
     }
-
 }
diff --git app/code/core/Mage/Core/etc/config.xml app/code/core/Mage/Core/etc/config.xml
index 0c80a9e..0dac38c 100644
--- app/code/core/Mage/Core/etc/config.xml
+++ app/code/core/Mage/Core/etc/config.xml
@@ -260,6 +260,9 @@
             </js>
         </dev>
         <system>
+            <csrf>
+                <use_form_key>1</use_form_key>
+            </csrf>
             <smtp>
                 <disable>0</disable>
                 <host>localhost</host>
diff --git app/code/core/Mage/Core/etc/system.xml app/code/core/Mage/Core/etc/system.xml
index 47b443e..894aff4 100644
--- app/code/core/Mage/Core/etc/system.xml
+++ app/code/core/Mage/Core/etc/system.xml
@@ -41,6 +41,29 @@
         </advanced>
     </tabs>
     <sections>
+        <system>
+            <groups>
+                <csrf translate="label" module="core">
+                    <label>CSRF protection</label>
+                    <frontend_type>text</frontend_type>
+                    <sort_order>0</sort_order>
+                    <show_in_default>1</show_in_default>
+                    <show_in_website>1</show_in_website>
+                    <show_in_store>1</show_in_store>
+                    <fields>
+                        <use_form_key translate="label">
+                            <label>Add Secret Key To Url</label>
+                            <frontend_type>select</frontend_type>
+                            <source_model>adminhtml/system_config_source_yesno</source_model>
+                            <sort_order>10</sort_order>
+                            <show_in_default>1</show_in_default>
+                            <show_in_website>1</show_in_website>
+                            <show_in_store>1</show_in_store>
+                        </use_form_key>
+                    </fields>
+                </csrf>
+            </groups>
+        </system>
         <!--<web_track translate="label" module="core">
             <label>Web Tracking</label>
             <frontend_type>text</frontend_type>
@@ -529,26 +552,6 @@
                         </template_hints_blocks>
                     </fields>
                 </debug>
-                <template translate="label">
-                    <label>Template Settings</label>
-                    <frontend_type>text</frontend_type>
-                    <sort_order>25</sort_order>
-                    <show_in_default>1</show_in_default>
-                    <show_in_website>1</show_in_website>
-                    <show_in_store>1</show_in_store>
-                    <fields>
-                        <allow_symlink translate="label comment">
-                            <label>Allow Symlinks</label>
-                            <frontend_type>select</frontend_type>
-                            <source_model>adminhtml/system_config_source_yesno</source_model>
-                            <sort_order>10</sort_order>
-                            <show_in_default>1</show_in_default>
-                            <show_in_website>1</show_in_website>
-                            <show_in_store>1</show_in_store>
-                            <comment>Warning! Enabling this feature is not recommended on production environments because it represents a potential security risk.</comment>
-                        </allow_symlink>
-                    </fields>
-                </template>
                 <translate_inline translate="label">
                     <label>Translate Inline</label>
                     <frontend_type>text</frontend_type>
@@ -819,6 +822,25 @@
             <show_in_website>1</show_in_website>
             <show_in_store>1</show_in_store>
             <groups>
+                <csrf translate="label" module="core">
+                    <label>CSRF protection</label>
+                    <frontend_type>text</frontend_type>
+                    <sort_order>0</sort_order>
+                    <show_in_default>1</show_in_default>
+                    <show_in_website>1</show_in_website>
+                    <show_in_store>1</show_in_store>
+                    <fields>
+                        <use_form_key translate="label">
+                            <label>Add Secret Key To Url</label>
+                            <frontend_type>select</frontend_type>
+                            <source_model>adminhtml/system_config_source_yesno</source_model>
+                            <sort_order>10</sort_order>
+                            <show_in_default>1</show_in_default>
+                            <show_in_website>1</show_in_website>
+                            <show_in_store>1</show_in_store>
+                        </use_form_key>
+                    </fields>
+                </csrf>
                 <smtp translate="label">
                     <label>Mail Sending Settings</label>
                     <frontend_type>text</frontend_type>
diff --git app/code/core/Mage/Customer/Model/Session.php app/code/core/Mage/Customer/Model/Session.php
index 4610c07..4396777 100644
--- app/code/core/Mage/Customer/Model/Session.php
+++ app/code/core/Mage/Customer/Model/Session.php
@@ -222,6 +222,8 @@ public function login($username, $password)
     public function setCustomerAsLoggedIn($customer)
     {
         $this->setCustomer($customer);
+        $this->renewSession();
+        Mage::getSingleton('core/session')->renewFormKey();
         Mage::dispatchEvent('customer_login', array('customer'=>$customer));
         return $this;
     }
@@ -307,6 +309,7 @@ protected function _logout()
         $this->setId(null);
         $this->setCustomerGroupId(Mage_Customer_Model_Group::NOT_LOGGED_IN_ID);
         $this->getCookie()->delete($this->getSessionName());
+        Mage::getSingleton('core/session')->renewFormKey();
         return $this;
     }
 
diff --git app/code/core/Mage/Dataflow/Model/Convert/Adapter/Zend/Cache.php app/code/core/Mage/Dataflow/Model/Convert/Adapter/Zend/Cache.php
index 957af7b..9b482f9 100644
--- app/code/core/Mage/Dataflow/Model/Convert/Adapter/Zend/Cache.php
+++ app/code/core/Mage/Dataflow/Model/Convert/Adapter/Zend/Cache.php
@@ -40,6 +40,9 @@ public function getResource()
         if (!$this->_resource) {
             $this->_resource = Zend_Cache::factory($this->getVar('frontend', 'Core'), $this->getVar('backend', 'File'));
         }
+        if ($this->_resource->getBackend() instanceof Zend_Cache_Backend_Static) {
+            throw new Exception(Mage::helper('dataflow')->__('Backend name "Static" not supported.'));
+        }
         return $this->_resource;
     }
 
diff --git app/code/core/Mage/Dataflow/Model/Convert/Container/Abstract.php app/code/core/Mage/Dataflow/Model/Convert/Container/Abstract.php
index 39bf5b2..7fc8e86 100644
--- app/code/core/Mage/Dataflow/Model/Convert/Container/Abstract.php
+++ app/code/core/Mage/Dataflow/Model/Convert/Container/Abstract.php
@@ -47,6 +47,18 @@
 
     protected $_position;
 
+    /**
+     * Detect serialization of data
+     *
+     * @param mixed $data
+     * @return bool
+     */
+    protected function isSerialized($data)
+    {
+        $pattern = '/^a:\d+:\{(i:\d+;|s:\d+:\".+\";|N;|O:\d+:\"\w+\":\d+:\{\w:\d+:)+|^O:\d+:\"\w+\":\d+:\{s:\d+:\"/';
+        return (is_string($data) && preg_match($pattern, $data));
+    }
+
     public function getVar($key, $default=null)
     {
         if (!isset($this->_vars[$key]) || (!is_array($this->_vars[$key]) && strlen($this->_vars[$key]) == 0)) {
@@ -102,13 +114,45 @@ public function getData()
 
     public function setData($data)
     {
-        if ($this->getProfile()) {
-            $this->getProfile()->getContainer()->setData($data);
+        if ($this->validateDataSerialized($data)) {
+            if ($this->getProfile()) {
+                $this->getProfile()->getContainer()->setData($data);
+            }
+
+            $this->_data = $data;
         }
-        $this->_data = $data;
+
         return $this;
     }
 
+    /**
+     * Validate serialized data
+     *
+     * @param mixed $data
+     * @return bool
+     */
+    public function validateDataSerialized($data = null)
+    {
+        if (is_null($data)) {
+            $data = $this->getData();
+        }
+
+        $result = true;
+        if ($this->isSerialized($data)) {
+            try {
+                $dataArray = Mage::helper('core/unserializeArray')->unserialize($data);
+            } catch (Exception $e) {
+                $result = false;
+                $this->addException(
+                    "Invalid data, expecting serialized array.",
+                    Mage_Dataflow_Model_Convert_Exception::FATAL
+                );
+            }
+        }
+
+        return $result;
+    }
+
     public function validateDataString($data=null)
     {
         if (is_null($data)) {
@@ -140,7 +184,10 @@ public function validateDataGrid($data=null)
             if (count($data)==0) {
                 return true;
             }
-            $this->addException("Invalid data type, expecting 2D grid array.", Mage_Dataflow_Model_Convert_Exception::FATAL);
+            $this->addException(
+                "Invalid data type, expecting 2D grid array.",
+                Mage_Dataflow_Model_Convert_Exception::FATAL
+            );
         }
         return true;
     }
diff --git app/code/core/Mage/Dataflow/Model/Convert/Parser/Csv.php app/code/core/Mage/Dataflow/Model/Convert/Parser/Csv.php
index 750bb2d..000baea 100644
--- app/code/core/Mage/Dataflow/Model/Convert/Parser/Csv.php
+++ app/code/core/Mage/Dataflow/Model/Convert/Parser/Csv.php
@@ -62,13 +62,15 @@ public function parse()
             $adapter = Mage::getModel($adapterName);
         }
         catch (Exception $e) {
-            $message = Mage::helper('dataflow')->__('Declared adapter %s was not found.', $adapterName);
+            $message = Mage::helper('dataflow')
+                ->__('Declared adapter %s was not found.', $adapterName);
             $this->addException($message, Mage_Dataflow_Model_Convert_Exception::FATAL);
             return $this;
         }
 
         if (!is_callable(array($adapter, $adapterMethod))) {
-            $message = Mage::helper('dataflow')->__('Method "%s" not defined in adapter %s.', $adapterMethod, $adapterName);
+            $message = Mage::helper('dataflow')
+                ->__('Method "%s" not defined in adapter %s.', $adapterMethod, $adapterName);
             $this->addException($message, Mage_Dataflow_Model_Convert_Exception::FATAL);
             return $this;
         }
diff --git app/code/core/Mage/Dataflow/Model/Convert/Parser/Xml/Excel.php app/code/core/Mage/Dataflow/Model/Convert/Parser/Xml/Excel.php
index 5604259..10b79de 100644
--- app/code/core/Mage/Dataflow/Model/Convert/Parser/Xml/Excel.php
+++ app/code/core/Mage/Dataflow/Model/Convert/Parser/Xml/Excel.php
@@ -69,7 +69,8 @@ public function parse()
         }
 
         if (!is_callable(array($adapter, $adapterMethod))) {
-            $message = Mage::helper('dataflow')->__('Method "%s" was not defined in adapter %s.', $adapterMethod, $adapterName);
+            $message = Mage::helper('dataflow')
+                ->__('Method "%s" was not defined in adapter %s.', $adapterMethod, $adapterName);
             $this->addException($message, Mage_Dataflow_Model_Convert_Exception::FATAL);
             return $this;
         }
@@ -78,8 +79,8 @@ public function parse()
         $batchIoAdapter = $this->getBatchModel()->getIoAdapter();
 
         if (Mage::app()->getRequest()->getParam('files')) {
-            $file = Mage::app()->getConfig()->getTempVarDir().'/import/'
-                . urldecode(Mage::app()->getRequest()->getParam('files'));
+            $file = Mage::app()->getConfig()->getTempVarDir() . '/import/'
+                . str_replace('../', '', urldecode(Mage::app()->getRequest()->getParam('files')));
             $this->_copy($file);
         }
 
diff --git app/code/core/Mage/ImportExport/Model/Import/Uploader.php app/code/core/Mage/ImportExport/Model/Import/Uploader.php
index e040261..af5a13f 100644
--- app/code/core/Mage/ImportExport/Model/Import/Uploader.php
+++ app/code/core/Mage/ImportExport/Model/Import/Uploader.php
@@ -61,6 +61,11 @@ public function init()
         $this->setAllowedExtensions(array_keys($this->_allowedMimeTypes));
         $this->addValidateCallback('catalog_product_image',
                 Mage::helper('catalog/image'), 'validateUploadFile');
+        $this->addValidateCallback(
+            Mage_Core_Model_File_Validator_Image::NAME,
+            Mage::getModel('core/file_validator_image'),
+            'validate'
+        );
         $this->_uploadType = self::SINGLE_STYLE;
     }
 
diff --git app/code/core/Mage/Sales/Model/Quote/Item.php app/code/core/Mage/Sales/Model/Quote/Item.php
index c809267..f3fab7b 100644
--- app/code/core/Mage/Sales/Model/Quote/Item.php
+++ app/code/core/Mage/Sales/Model/Quote/Item.php
@@ -502,8 +502,9 @@ public function compare($item)
                         /** @var Unserialize_Parser $parser */
                         $parser = Mage::helper('core/unserializeArray');
 
-                        $_itemOptionValue = $parser->unserialize($itemOptionValue);
-                        $_optionValue = $parser->unserialize($optionValue);
+                        $_itemOptionValue =
+                            is_numeric($itemOptionValue) ? $itemOptionValue : $parser->unserialize($itemOptionValue);
+                        $_optionValue = is_numeric($optionValue) ? $optionValue : $parser->unserialize($optionValue);
 
                         if (is_array($_itemOptionValue) && is_array($_optionValue)) {
                             $itemOptionValue = $_itemOptionValue;
diff --git app/code/core/Mage/Widget/Model/Widget/Instance.php app/code/core/Mage/Widget/Model/Widget/Instance.php
index b5e316c..09ddc9d 100644
--- app/code/core/Mage/Widget/Model/Widget/Instance.php
+++ app/code/core/Mage/Widget/Model/Widget/Instance.php
@@ -347,7 +347,11 @@ public function getStoreIds()
     public function getWidgetParameters()
     {
         if (is_string($this->getData('widget_parameters'))) {
-            return unserialize($this->getData('widget_parameters'));
+            try {
+                return Mage::helper('core/unserializeArray')->unserialize($this->getData('widget_parameters'));
+            } catch (Exception $e) {
+                Mage::logException($e);
+            }
         }
         return (is_array($this->getData('widget_parameters'))) ? $this->getData('widget_parameters') : array();
     }
diff --git app/code/core/Mage/XmlConnect/Helper/Image.php app/code/core/Mage/XmlConnect/Helper/Image.php
index c644782..931ce38 100644
--- app/code/core/Mage/XmlConnect/Helper/Image.php
+++ app/code/core/Mage/XmlConnect/Helper/Image.php
@@ -92,6 +92,11 @@ public function handleUpload($field)
             $uploader = Mage::getModel('core/file_uploader', $field);
             $uploader->setAllowedExtensions(array('jpg', 'jpeg', 'gif', 'png'));
             $uploader->setAllowRenameFiles(true);
+            $uploader->addValidateCallback(
+                Mage_Core_Model_File_Validator_Image::NAME,
+                Mage::getModel('core/file_validator_image'),
+                'validate'
+            );
             $uploader->save($uploadDir);
             $uploadedFilename = $uploader->getUploadedFileName();
             $uploadedFilename = $this->_getResizedFilename($field, $uploadedFilename, true);
diff --git app/design/adminhtml/default/default/layout/main.xml app/design/adminhtml/default/default/layout/main.xml
index 99f2096..0d2a01b 100644
--- app/design/adminhtml/default/default/layout/main.xml
+++ app/design/adminhtml/default/default/layout/main.xml
@@ -119,7 +119,8 @@ Default layout, loads most of the pages
                 <block type="adminhtml/cache_notifications" name="cache_notifications" template="system/cache/notifications.phtml"></block>
                 <block type="adminhtml/notification_survey" name="notification_survey" template="notification/survey.phtml"/>
                 <block type="adminhtml/notification_security" name="notification_security" as="notification_security" template="notification/security.phtml"></block>
-            </block>
+                <block type="adminhtml/checkout_formkey" name="checkout_formkey" as="checkout_formkey" template="notification/formkey.phtml"/></block>
+                <block type="adminhtml/notification_symlink" name="notification_symlink" template="notification/symlink.phtml"/>
             <block type="adminhtml/widget_breadcrumbs" name="breadcrumbs" as="breadcrumbs"></block>
 
             <!--<update handle="formkey"/> this won't work, see the try/catch and a jammed exception in Mage_Core_Model_Layout::createBlock() -->
diff --git app/design/adminhtml/default/default/template/notification/formkey.phtml app/design/adminhtml/default/default/template/notification/formkey.phtml
new file mode 100644
index 0000000..6f24620
--- /dev/null
+++ app/design/adminhtml/default/default/template/notification/formkey.phtml
@@ -0,0 +1,38 @@
+<?php
+/**
+ * Magento
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Open Software License (OSL 3.0)
+ * that is bundled with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://opensource.org/licenses/osl-3.0.php
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@magentocommerce.com so we can send you a copy immediately.
+ *
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade Magento to newer
+ * versions in the future. If you wish to customize Magento for your
+ * needs please refer to http://www.magentocommerce.com for more information.
+ *
+ * @category    Mage
+ * @package     Mage_Adminhtml
+ * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
+ * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+ */
+/**
+ * @see Mage_Adminhtml_Block_Checkout_Formkey
+ */
+?>
+<?php if ($this->canShow()): ?>
+    <div class="notification-global notification-global-warning">
+        <strong style="color:red">Important: </strong>
+        <span>Formkey validation on checkout disabled. This may expose security risks.
+        We strongly recommend to Enable Form Key Validation On Checkout in
+        <a href="<?php echo $this->getSecurityAdminUrl(); ?>">Admin / Security Section</a>,
+        for protect your own checkout process. </span>
+    </div>
+<?php endif; ?>
diff --git app/design/adminhtml/default/default/template/notification/symlink.phtml app/design/adminhtml/default/default/template/notification/symlink.phtml
new file mode 100644
index 0000000..711ff19
--- /dev/null
+++ app/design/adminhtml/default/default/template/notification/symlink.phtml
@@ -0,0 +1,34 @@
+<?php
+/**
+ * Magento
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Open Software License (OSL 3.0)
+ * that is bundled with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://opensource.org/licenses/osl-3.0.php
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@magentocommerce.com so we can send you a copy immediately.
+ *
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade Magento to newer
+ * versions in the future. If you wish to customize Magento for your
+ * needs please refer to http://www.magentocommerce.com for more information.
+ *
+ * @category    Mage
+ * @package     Mage_Adminhtml
+ * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
+ * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+ */
+/**
+ * @see Mage_Adminhtml_Block_Notification_Symlink
+ */
+?>
+<?php if ($this->isSymlinkEnabled()): ?>
+    <div class="notification-global notification-global-warning">
+        <?php echo $this->helper('adminhtml')->__('Symlinks are enabled. This may expose security risks. We strongly recommend to disable them.')?>
+    </div>
+<?php endif; ?>
diff --git app/design/adminhtml/default/default/template/page/head.phtml app/design/adminhtml/default/default/template/page/head.phtml
index ef6371f..3f944dc 100644
--- app/design/adminhtml/default/default/template/page/head.phtml
+++ app/design/adminhtml/default/default/template/page/head.phtml
@@ -7,7 +7,7 @@
     var BLANK_URL = '<?php echo $this->getJsUrl() ?>blank.html';
     var BLANK_IMG = '<?php echo $this->getJsUrl() ?>spacer.gif';
     var BASE_URL = '<?php echo $this->getUrl('*') ?>';
-    var SKIN_URL = '<?php echo $this->getSkinUrl() ?>';
+    var SKIN_URL = '<?php echo $this->jsQuoteEscape($this->getSkinUrl()) ?>';
     var FORM_KEY = '<?php echo $this->getFormKey() ?>';
 </script>
 
diff --git app/design/frontend/base/default/template/checkout/cart/shipping.phtml app/design/frontend/base/default/template/checkout/cart/shipping.phtml
index b8c4e69..12c8dff 100644
--- app/design/frontend/base/default/template/checkout/cart/shipping.phtml
+++ app/design/frontend/base/default/template/checkout/cart/shipping.phtml
@@ -109,6 +109,7 @@
             <div class="buttons-set">
                 <button type="submit" title="<?php echo $this->__('Update Total') ?>" class="button" name="do" value="<?php echo $this->__('Update Total') ?>"><span><span><?php echo $this->__('Update Total') ?></span></span></button>
             </div>
+            <?php echo $this->getBlockHtml('formkey') ?>
         </form>
         <?php endif; ?>
         <script type="text/javascript">
diff --git app/design/frontend/base/default/template/checkout/multishipping/billing.phtml app/design/frontend/base/default/template/checkout/multishipping/billing.phtml
index 2494c611..16020d1 100644
--- app/design/frontend/base/default/template/checkout/multishipping/billing.phtml
+++ app/design/frontend/base/default/template/checkout/multishipping/billing.phtml
@@ -91,6 +91,7 @@
             <p class="back-link"><a href="<?php echo $this->getBackUrl() ?>"><small>&laquo; </small><?php echo $this->__('Back to Shipping Information') ?></a></p>
             <button type="submit" title="<?php echo $this->__('Continue to Review Your Order') ?>" class="button"><span><span><?php echo $this->__('Continue to Review Your Order') ?></span></span></button>
         </div>
+        <?php echo $this->getBlockHtml('formkey') ?>
     </form>
     <script type="text/javascript">
     //<![CDATA[
diff --git app/design/frontend/base/default/template/checkout/multishipping/shipping.phtml app/design/frontend/base/default/template/checkout/multishipping/shipping.phtml
index ede6e5b..250bed3 100644
--- app/design/frontend/base/default/template/checkout/multishipping/shipping.phtml
+++ app/design/frontend/base/default/template/checkout/multishipping/shipping.phtml
@@ -126,5 +126,6 @@
             <p class="back-link"><a href="<?php echo $this->getBackUrl() ?>"><small>&laquo; </small><?php echo $this->__('Back to Select Addresses') ?></a></p>
             <button type="submit" title="<?php echo $this->__('Continue to Billing Information') ?>" class="button"><span><span><?php echo $this->__('Continue to Billing Information') ?></span></span></button>
         </div>
+        <?php echo $this->getBlockHtml('formkey') ?>
     </form>
 </div>
diff --git app/design/frontend/base/default/template/checkout/onepage/billing.phtml app/design/frontend/base/default/template/checkout/onepage/billing.phtml
index 3ca41d0..9decb47 100644
--- app/design/frontend/base/default/template/checkout/onepage/billing.phtml
+++ app/design/frontend/base/default/template/checkout/onepage/billing.phtml
@@ -201,6 +201,7 @@
             <img src="<?php echo $this->getSkinUrl('images/opc-ajax-loader.gif') ?>" alt="<?php echo $this->__('Loading next step...') ?>" title="<?php echo $this->__('Loading next step...') ?>" class="v-middle" /> <?php echo $this->__('Loading next step...') ?>
         </span>
     </div>
+    <?php echo $this->getBlockHtml('formkey') ?>
 </fieldset>
 </form>
 <script type="text/javascript">
diff --git app/design/frontend/base/default/template/checkout/onepage/payment.phtml app/design/frontend/base/default/template/checkout/onepage/payment.phtml
index dfb4d2d..05af5b5 100644
--- app/design/frontend/base/default/template/checkout/onepage/payment.phtml
+++ app/design/frontend/base/default/template/checkout/onepage/payment.phtml
@@ -35,6 +35,7 @@
 <form action="" id="co-payment-form">
     <fieldset>
         <?php echo $this->getChildHtml('methods') ?>
+        <?php echo $this->getBlockHtml('formkey') ?>
     </fieldset>
 </form>
 <div class="tool-tip" id="payment-tool-tip" style="display:none;">
diff --git app/design/frontend/base/default/template/checkout/onepage/shipping.phtml app/design/frontend/base/default/template/checkout/onepage/shipping.phtml
index 33c0694..e58d977 100644
--- app/design/frontend/base/default/template/checkout/onepage/shipping.phtml
+++ app/design/frontend/base/default/template/checkout/onepage/shipping.phtml
@@ -141,6 +141,7 @@
             <img src="<?php echo $this->getSkinUrl('images/opc-ajax-loader.gif') ?>" alt="<?php echo $this->__('Loading next step...') ?>" title="<?php echo $this->__('Loading next step...') ?>" class="v-middle" /> <?php echo $this->__('Loading next step...') ?>
         </span>
     </div>
+    <?php echo $this->getBlockHtml('formkey') ?>
 </form>
 <script type="text/javascript">
 //<![CDATA[
diff --git app/design/frontend/base/default/template/checkout/onepage/shipping_method.phtml app/design/frontend/base/default/template/checkout/onepage/shipping_method.phtml
index cbaaa6a..df9e40a 100644
--- app/design/frontend/base/default/template/checkout/onepage/shipping_method.phtml
+++ app/design/frontend/base/default/template/checkout/onepage/shipping_method.phtml
@@ -43,4 +43,5 @@
             <img src="<?php echo $this->getSkinUrl('images/opc-ajax-loader.gif') ?>" alt="<?php echo $this->__('Loading next step...') ?>" title="<?php echo $this->__('Loading next step...') ?>" class="v-middle" /> <?php echo $this->__('Loading next step...') ?>
         </span>
     </div>
+    <?php echo $this->getBlockHtml('formkey') ?>
 </form>
diff --git app/design/frontend/base/default/template/persistent/checkout/onepage/billing.phtml app/design/frontend/base/default/template/persistent/checkout/onepage/billing.phtml
index da76c68..8d4ccbd 100644
--- app/design/frontend/base/default/template/persistent/checkout/onepage/billing.phtml
+++ app/design/frontend/base/default/template/persistent/checkout/onepage/billing.phtml
@@ -199,6 +199,7 @@
             <img src="<?php echo $this->getSkinUrl('images/opc-ajax-loader.gif') ?>" alt="<?php echo $this->__('Loading next step...') ?>" title="<?php echo $this->__('Loading next step...') ?>" class="v-middle" /> <?php echo $this->__('Loading next step...') ?>
         </span>
     </div>
+    <?php echo $this->getBlockHtml('formkey') ?>
 </fieldset>
 </form>
 <script type="text/javascript">
diff --git app/etc/config.xml app/etc/config.xml
index ebba59a..809d5ba 100644
--- app/etc/config.xml
+++ app/etc/config.xml
@@ -140,6 +140,11 @@
                 <export>{{var_dir}}/export</export>
             </filesystem>
         </system>
+        <dev>
+            <template>
+                <allow_symlink>0</allow_symlink>
+            </template>
+        </dev>
         <general>
             <locale>
                 <code>en_US</code>
diff --git app/locale/en_US/Mage_Adminhtml.csv app/locale/en_US/Mage_Adminhtml.csv
index 52874d6..4cf688b 100644
--- app/locale/en_US/Mage_Adminhtml.csv
+++ app/locale/en_US/Mage_Adminhtml.csv
@@ -1182,3 +1182,5 @@
 "to","to"
 "website(%s) scope","website(%s) scope"
 "{{base_url}} is not recommended to use in a production environment to declare the Base Unsecure URL / Base Secure URL. It is highly recommended to change this value in your Magento <a href=""%s"">configuration</a>.","{{base_url}} is not recommended to use in a production environment to declare the Base Unsecure URL / Base Secure URL. It is highly recommended to change this value in your Magento <a href=""%s"">configuration</a>."
+"Symlinks are enabled. This may expose security risks. We strongly recommend to disable them.","Symlinks are enabled. This may expose security risks. We strongly recommend to disable them."
+"You did not sign in correctly or your account is temporarily disabled.","You did not sign in correctly or your account is temporarily disabled."
diff --git app/locale/en_US/Mage_Core.csv app/locale/en_US/Mage_Core.csv
index 115c36f..5fa4667 100644
--- app/locale/en_US/Mage_Core.csv
+++ app/locale/en_US/Mage_Core.csv
@@ -388,3 +388,4 @@
 "You will have to log in after you save your custom admin path.","You will have to log in after you save your custom admin path."
 "Your design change for the specified store intersects with another one, please specify another date range.","Your design change for the specified store intersects with another one, please specify another date range."
 "database ""%s""","database ""%s"""
+"Invalid image.","Invalid image."
diff --git app/locale/en_US/Mage_Dataflow.csv app/locale/en_US/Mage_Dataflow.csv
index 7169fae..50bac5f 100644
--- app/locale/en_US/Mage_Dataflow.csv
+++ app/locale/en_US/Mage_Dataflow.csv
@@ -30,3 +30,4 @@
 "hours","hours"
 "minute","minute"
 "minutes","minutes"
+"Backend name "Static" not supported.","Backend name "Static" not supported."
diff --git downloader/Maged/Connect.php downloader/Maged/Connect.php
index 95bc1e4..ee55176 100644
--- downloader/Maged/Connect.php
+++ downloader/Maged/Connect.php
@@ -396,7 +396,9 @@ public function runHtmlConsole($runParams)
      */
     protected function _consoleHeader() {
         if (!$this->_consoleStarted) {
-?>
+            $validateKey = md5(time());
+            $sessionModel = new Maged_Model_Session();
+            $sessionModel->set('validate_cache_key', $validateKey); ?>
 <html><head><style type="text/css">
 body { margin:0px;
     padding:3px;
@@ -442,6 +444,7 @@ function clear_cache(callbacks)
     var intervalID = setInterval(function() {show_message('.', false); }, 500);
     var clean = 0;
     var maintenance = 0;
+    var validate_cache_key = '<?php echo $validateKey; ?>';
     if (window.location.href.indexOf('clean_sessions') >= 0) {
         clean = 1;
     }
@@ -451,7 +454,7 @@ function clear_cache(callbacks)
 
     new top.Ajax.Request(url, {
         method: 'post',
-        parameters: {clean_sessions:clean, maintenance:maintenance},
+        parameters: {clean_sessions:clean, maintenance:maintenance, validate_cache_key:validate_cache_key},
         onCreate: function() {
             show_message('Cleaning cache');
             show_message('');
diff --git downloader/Maged/Controller.php downloader/Maged/Controller.php
index 88839f5..7dd056c 100755
--- downloader/Maged/Controller.php
+++ downloader/Maged/Controller.php
@@ -405,7 +405,7 @@ public function connectInstallPackageUploadAction()
      */
     public function cleanCacheAction()
     {
-        $result = $this->cleanCache();
+        $result = $this->cleanCache(true);
         echo json_encode($result);
     }
 
@@ -928,25 +928,36 @@ public function endInstall()
         }
     }
 
-    protected function cleanCache()
+    /**
+     * Clean cache
+     *
+     * @param bool $validate
+     * @return array
+     */
+    protected function cleanCache($validate = false)
     {
         $result = true;
         $message = '';
         try {
             if ($this->isInstalled()) {
-                if (!empty($_REQUEST['clean_sessions'])) {
-                    Mage::app()->cleanAllSessions();
-                    $message .= 'Session cleaned successfully. ';
+                if ($validate) {
+                    $result = $this->session()->validateCleanCacheKey();
+                }
+                if ($result) {
+                    if (!empty($_REQUEST['clean_sessions'])) {
+                        Mage::app()->cleanAllSessions();
+                        $message .= 'Session cleaned successfully. ';
+                    }
+                    Mage::app()->cleanCache();
+
+                    // reinit config and apply all updates
+                    Mage::app()->getConfig()->reinit();
+                    Mage_Core_Model_Resource_Setup::applyAllUpdates();
+                    Mage_Core_Model_Resource_Setup::applyAllDataUpdates();
+                    $message .= 'Cache cleaned successfully';
+                } else {
+                    $message .= 'Validation failed';
                 }
-                Mage::app()->cleanCache();
-
-                // reinit config and apply all updates
-                Mage::app()->getConfig()->reinit();
-                Mage_Core_Model_Resource_Setup::applyAllUpdates();
-                Mage_Core_Model_Resource_Setup::applyAllDataUpdates();
-                $message .= 'Cache cleaned successfully';
-            } else {
-                $result = true;
             }
         } catch (Exception $e) {
             $result = false;
diff --git downloader/Maged/Model/Session.php downloader/Maged/Model/Session.php
index ce9b584..80f9d41 100644
--- downloader/Maged/Model/Session.php
+++ downloader/Maged/Model/Session.php
@@ -82,6 +82,20 @@ public function set($key, $value)
     }
 
     /**
+     * Unset value by key
+     *
+     * @param string $key
+     * @return $this
+     */
+    public function delete($key)
+    {
+        if (isset($_SESSION[$key])) {
+            unset($_SESSION[$key]);
+        }
+        return $this;
+    }
+
+    /**
      * Authentication to downloader
      */
     public function authenticate()
@@ -234,4 +248,24 @@ public function getFormKey()
         }
         return $this->get('_form_key');
     }
+
+    /**
+     * Validate key for cache cleaning
+     *
+     * @return bool
+     */
+    public function validateCleanCacheKey()
+    {
+        $result = false;
+        $validateKey = $this->get('validate_cache_key');
+        if ($validateKey
+            && !empty($_REQUEST['validate_cache_key'])
+            && $validateKey == $_REQUEST['validate_cache_key']
+        ) {
+            $result = true;
+        }
+        $this->delete('validate_cache_key');
+
+        return $result;
+    }
 }
diff --git js/varien/payment.js js/varien/payment.js
index 5e51f14..42a6d1c 100644
--- js/varien/payment.js
+++ js/varien/payment.js
@@ -31,7 +31,7 @@ paymentForm.prototype = {
 
         var method = null;
         for (var i=0; i<elements.length; i++) {
-            if (elements[i].name=='payment[method]') {
+            if (elements[i].name=='payment[method]' || elements[i].name=='form_key') {
                 if (elements[i].checked) {
                     method = elements[i].value;
                 }
diff --git skin/frontend/base/default/js/opcheckout.js skin/frontend/base/default/js/opcheckout.js
index 115db07..cc2f44b 100644
--- skin/frontend/base/default/js/opcheckout.js
+++ skin/frontend/base/default/js/opcheckout.js
@@ -652,7 +652,7 @@ Payment.prototype = {
         }
         var method = null;
         for (var i=0; i<elements.length; i++) {
-            if (elements[i].name=='payment[method]') {
+            if (elements[i].name=='payment[method]' || elements[i].name == 'form_key') {
                 if (elements[i].checked) {
                     method = elements[i].value;
                 }