SKYARC MTCMS before 5.252, and the MultiFileUploader 0.44 and earlier, DuplicateEntry 1.2 and earlier, MailPack 1.741 and earlier, and AutoTagging 0.08 and earlier plugins for Movable Type, uses weak permissions, which allows remote authenticated users to modify files and settings via unspecified vectors.

Cross-site request forgery (CSRF) vulnerability in SKYARC MTCMS before 5.252, and the MultiFileUploader 0.44 and earlier, DuplicateEntry 1.2 and earlier, MailPack 1.741 and earlier, and AutoTagging 0.08 and earlier plugins for Movable Type, allows remote attackers to hijack the authentication of arbitrary users for requests that modify data.

Cross-site scripting (XSS) vulnerability in install.cgi in SKYARC System MTCMS WYSIWYG Editor allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

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.

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.

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.