A vulnerability was found in
Six Apart Movable Type, Movable Type Advanced, Movable Type Premium, Movable Type Cloud Edition and Movable Type Premium Cloud Edition. It has been declared as
problematic. Affected by this vulnerability is an unknown functionality of the component
MT Block Editor. The manipulation leads to cross site scripting.
This vulnerability is known as
CVE-2025-22888. The attack can be launched remotely. There is no exploit available.