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.

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.