The password reset feature in Movable Type before 3.2 generates different error messages depending on whether a user exists or not, which allows remote attackers to determine valid usernames.

Cross-site scripting (XSS) vulnerability in Movable Type before 3.2 allows remote attackers to inject arbitrary web script or HTML via the (1) title, (2) category, (3) body, (4) extended body, and (5) excerpt form fields in new blog entries.

mt-comments.cgi in Movable Type before 3.2 allows attackers to redirect users to other web sites via URLs in comments.

Six Apart Movable Type 3.16 stores account names and password hashes in a cookie, which allows remote attackers to login to an account by sniffing the cookie.

Six Apart Movable Type 3.16 allows local users with blog-creation privileges to create or overwrite arbitrary files of certain types (such as HTML and image files) by selecting an arbitrary directory as a blog's top-level directory. NOTE: this issue can be used in conjunction with CVE-2005-3102 to create or overwrite arbitrary files of all types.

Movable Type contains a stored cross-site scripting vulnerability in Edit CategorySet of ContentType page. If crafted input is stored by an attacker with "ContentType Management" privilege, an arbitrary script may be executed on the web browser of the user who accesses Edit CategorySet of ContentType page.

Movable Type contains a stored cross-site scripting vulnerability in Edit ContentData page. If crafted input is stored by an attacker with "ContentType Management" privilege, an arbitrary script may be executed on the web browser of the user who accesses Edit ContentData page.

Cross-site scripting (XSS) vulnerability in the MT4i plugin 3.1 beta 4 and earlier for Movable Type allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2012-2642.

Cross-site scripting (XSS) vulnerability in the MT4i plugin 3.1 beta 4 and earlier for Movable Type allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2012-2644.

The A-Form and A-Form bamboo before 1.3.6 and 2.x before 2.0.3, and A-Form PC and PC/Mobile before 3.1, plug-ins for Movable Type do not require administrative authentication, which allows remote authenticated users to modify data via unspecified vectors.