Twigmo bundled with CS-Cart 4.3.9 and earlier and Twigmo bundled with CS-Cart Multi-Vendor 4.3.9 and earlier allow remote authenticated users to execute arbitrary PHP code on the servers.

Cross-site request forgery (CSRF) vulnerability in CS-Cart 4.2.4 allows remote attackers to hijack the authentication of users for requests that change a user password via a request to profiles-update/.

SQL injection vulnerability in index.php in CS-Cart 2.0.0 Beta 3 allows remote attackers to execute arbitrary SQL commands via the product_id parameter in a products.view action.

CS-Cart before 3.0.6, when PayPal Standard Payments is configured, allows remote attackers to set the payment recipient via a modified value of the merchant's e-mail address, as demonstrated by setting the recipient to one's self.

Multiple cross-site scripting (XSS) vulnerabilities in CS-Cart before 4.1.1 allow remote attackers to inject arbitrary web script or HTML via the (1) settings_file or (2) data_file parameter to (a) ampie.swf, (b) amline.swf, or (c) amcolumn.swf.

In CS-Cart version 4.11.1, it is possible to induce copy-paste XSS by manipulating the "post description" filed in the blog post creation page.