SQL injection vulnerability in the XML-RPC interface in Movable Type before 5.18, 5.2.x before 5.2.11, and 6.x before 6.0.6 allows remote attackers to execute arbitrary SQL commands via unspecified vectors.
mt-wizard.cgi in Six Apart Movable Type before 4.261, when global templates are not initialized, allows remote attackers to bypass access restrictions and (1) send e-mail to arbitrary addresses or (2) obtain sensitive information via unspecified vectors.
Multiple cross-site scripting (XSS) vulnerabilities in Six Apart Movable Type (MT) before 4.23 allow remote attackers to inject arbitrary web script or HTML via a (1) MTEntryAuthorUsername, (2) MTAuthorDisplayName, (3) MTEntryAuthorDisplayName, or (4) MTCommenterName field in a Profile View template; a (5) listing screen or (6) edit screen in the CMS app; (7) a TrackBack title, related to the HTML sanitization library; or (8) a user archive name (aka archive title) on a published Community Blog template.
Six Apart Movable Type (MT) before 4.23 allows remote authenticated users with create permission for posts to bypass intended access restrictions and publish posts via a "system-wide entry listing screen."