Description
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.
Problem types
Product status
8.0.0 to 8.0.7 (8.0 series)
7 r.5509 and earlier (7 series)
8.0.0 to 8.0.7 (8.0 series)
7 r.5509 and earlier (7 series)
1.67 and earlier (1 series)
1.67 and earlier (1 series)
7 r.5509 (7 series)
1.67 (1 series)
References
movabletype.org/news/2025/10/mt-880-released.html
www.sixapart.jp/movabletype/news/2025/10/22-1055.html