An issue was discovered in CS Cart 4.18.3 allows the vendor login functionality lacks essential security controls such as CAPTCHA verification and rate limiting. This allows an attacker to systematically attempt various combinations of usernames and passwords (brute-force attack) to gain unauthorized access to vendor accounts. The absence of any blocking mechanism makes the login endpoint susceptible to automated attacks.

A file upload vulnerability was discovered in CS Cart 4.18.3, allows attackers to execute arbitrary code. CS Cart 4.18.3 allows unrestricted upload of HTML files, which are rendered directly in the browser when accessed. This allows an attacker to upload a crafted HTML file containing malicious content, such as a fake login form for credential harvesting or scripts for Cross-Site Scripting (XSS) attacks. Since the content is served from a trusted domain, it significantly increases the likelihood of successful phishing or script execution against other users.

Cross Site Request Forgery (CSRF) vulnerability in CS Cart 4.18.3, allows attackers to add products to a user's comparison list via a crafted HTTP request.

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.

The files function in the administration section in CS-Cart 4.6.2 and earlier allows attackers to execute arbitrary PHP code via vectors involving a custom page.

Cross-site scripting vulnerability in CS-Cart Japanese Edition v4.3.10 and earlier (excluding v2 and v3), CS-Cart Multivendor Japanese Edition v4.3.10 and earlier (excluding v2 and v3) allows an attacker to inject arbitrary web script or HTML via unspecified vectors.

Cross-site request forgery (CSRF) vulnerability in CS-Cart Japanese Edition v4.3.10 and earlier (excluding v2 and v3), CS-Cart Multivendor Japanese Edition v4.3.10 and earlier (excluding v2 and v3) allows remote attackers to hijack the authentication of administrators via unspecified vectors.

CS-Cart Japanese Edition v4.3.10 and earlier (excluding v2 and v3), CS-Cart Multivendor Japanese Edition v4.3.10 and earlier (excluding v2 and v3) allows remote attackers to bypass access restriction to obtain customer information via orders.pre.php.

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/.

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.

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.

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.

SQL injection vulnerability in reward_points.post.php in the Reward points addon in CS-Cart before 2.0.6 allows remote authenticated users to execute arbitrary SQL commands via the sort_order parameter in a reward_points.userlog action to index.php, a different vulnerability than CVE-2005-4429.2.

SQL injection vulnerability in core/user.php in CS-Cart 1.3.5 and earlier allows remote attackers to execute arbitrary SQL commands via the cs_cookies[customer_user_id] cookie parameter.

Cross-site scripting (XSS) vulnerability in index.php in CS-Cart 1.3.2 allows remote attackers to inject arbitrary web script or HTML via the q parameter in a products search action. NOTE: it was also reported that 1.3.5-SP2 trial edition is also affected.

PHP remote file inclusion vulnerability in install.php in CS-Cart 1.3.3 allows remote attackers to execute arbitrary PHP code via a URL in the install_dir parameter. NOTE: CVE and third parties dispute this vulnerability because install_dir is defined before use

PHP remote file inclusion vulnerability in class.cs_phpmailer.php in CS-Cart 1.3.3 allows remote attackers to execute arbitrary PHP code via a URL in the classes_dir parameter.

SQL injection vulnerability in CS-Cart 1.3.0 allows remote attackers to execute arbitrary SQL commands via the (1) sort_by and (2) sort_order parameters to index.php.