Directory traversal vulnerability in admin/includes/languages/english.php in Zen Cart 1.3.8a, 1.3.8, and earlier, when .htaccess is not supported, allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the _SESSION[language] parameter. NOTE: the vendor disputes this issue, stating "at worst, the use of this vulnerability will reveal some local file paths.

Directory traversal vulnerability in admin/includes/initsystem.php in Zen Cart 1.3.8 and 1.3.8a, when .htaccess is not supported, allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the loader_file parameter. NOTE: the vendor disputes this issue, stating "at worst, the use of this vulnerability will reveal some local file paths.

Session fixation vulnerability in Zen Cart 1.3.7 and earlier allows remote attackers to hijack web sessions by setting the Cookie parameter.

Multiple cross-site scripting (XSS) vulnerabilities in Zen Cart Web Shopping Cart before 1.3.7 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Multiple cross-site scripting (XSS) vulnerabilities in Zen Cart 1.3.5 allow remote attackers to inject arbitrary web script or HTML via the (1) admin_name or (2) admin_pass parameter in (a) admin/login.php, or the (3) admin_email parameter in (b) admin/password_forgotten.php.

Directory traversal vulnerability in Zen Cart 1.3.0.2 and earlier allows remote attackers to include and possibly execute arbitrary local files via directory traversal sequences in the typefilter parameter.

PHP remote file inclusion vulnerability in index.php in Zen Cart 1.3.0.2 and earlier, when register_globals is enabled, allows remote attackers to execute arbitrary PHP code via a URL in the autoLoadConfig[999][0][loadFile] parameter.

Multiple SQL injection vulnerabilities in Zen Cart 1.3.0.2 and earlier allow remote attackers to execute arbitrary SQL commands via (1) GPC data to the ipn_get_stored_session function in ipn_main_handler.php, which can be leveraged to modify elements of $_SESSION; and allow remote authenticated users to execute arbitrary SQL commands via (2) a session id within a cookie to whos_online_session_recreate, (3) the quantity field to the add_cart function, (4) an id[] parameter when adding an item to a shopping cart, or (5) a redemption code when checking out (dc_redeem_code parameter to includes/modules/order_total/ot_coupon.php).

index.php in Zen Cart 1.3.0.2 allows remote attackers to obtain sensitive information via empty (1) _GET[], (2) _SESSION[], (3) _POST[], (4) _COOKIE[], or (5) _SESSION[] array parameters, which reveals the installation path in an error message. NOTE: this issue might be resultant from a global overwrite vulnerability.

Unspecified vulnerabilities in Zen Cart before 1.2.7 allow remote attackers to cause unknown impact via unspecified vectors related to "other attempted exploits" other than SQL injection.

SQL injection vulnerability in Zen Cart before 1.2.7 allows remote attackers to execute arbitrary SQL commands via unspecified vectors.

Zen Cart 1.2.6d and earlier, under certain PHP configurations, allows remote attackers to obtain sensitive information via direct requests to files in the admin/includes directory, including (1) graphs/banner_daily.php, (2) graphs/banner_infobox.php, (3) graphs/banner_yearly.php, (4) graphs/banner_monthly.php, (5) application_bottom.php, (6) attributes_preview.php, (7) modules/category_product_listing.php, (8) modules/copy_to_confirm.php, (9) modules/delete_product_confirm.php, and (10) modules/move_product_confirm.php, which leaks the web server path in the resulting error message.

SQL injection vulnerability in login.php in Zen Cart 1.1.2d, 1.1.4 before patch 1, and possibly other versions allows remote attackers to execute arbitrary SQL via the (1) admin_name or (2) admin_pass parameters.

The distribution of Zen Cart 1.1.4 before patch 2 includes certain debugging code in the Admin password retrieval functionality, which allows attackers to gain administrative privileges via password_forgotten.php.

SQL injection vulnerability in application_top.php for Zen Cart 1.1.3 before patch 2 may allow remote attackers to execute arbitrary SQL commands via the products_id parameter.