Directory traversal vulnerability in index.php in xtcommerce allows remote attackers to read arbitrary files via a .. (dot dot) in the template parameter.

Cross-site scripting (XSS) vulnerability in advanced_search_result.php in xt:Commerce 3.0.4 and earlier allows remote attackers to inject arbitrary web script or HTML via the keywords parameter.

Session fixation vulnerability in shopping_cart.php in xt:Commerce 3.0.4 and earlier allows remote attackers to hijack web sessions by setting the XTCsid parameter.

SQL injection vulnerability in xt:Commerce before 3.0.4 Sp2.1, when magic_quotes_gpc is enabled and the SEO URLs are activated, allows remote attackers to execute arbitrary SQL commands via unspecified vectors.

SQL injection vulnerability in bluegate_seo.inc.php in the Direct URL module for xt:Commerce, when magic_quotes_gpc is disabled, allows remote attackers to execute arbitrary SQL commands via the coID parameter. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Multiple cross-site request forgery (CSRF) vulnerabilities in xt:Commerce 3.0.4 SP2.1 and possibly earlier allow remote attackers to hijack the authentication of Admins for requests that (1) set a New user to Admin via the cID parameter to a statusconfirm action in admin/customers.php and (2) grant permissions to users via the cID parameter to a save action in admin/accounting.php.

The address-management feature in xt:Commerce 5.1 to 6.2.2 allows remote authenticated users to zero out other user's stored addresses by manipulating an id field in the POST request for altering an address.