PHP remote file inclusion vulnerability in admin/admin_settings.php in MTCMS 2.0 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the ins_file parameter.

Multiple unrestricted file upload vulnerabilities in MTCMS 3.2 allow remote attackers to upload and execute files via (1) an avatar upload in an add_down action, or (2) an add_link action.

Multiple cross-site scripting (XSS) vulnerabilities in the "Contact Us" functionality in MTCMS 2.2 allow remote attackers to inject arbitrary web script or HTML via the (1) message and (2) title fields.

SQL injection vulnerability in index.php in MTCMS 2.0 and possibly earlier versions allows remote attackers to execute arbitrary SQL commands via the (1) a or (2) cid parameter.