Description
Mahara 21.10 before 21.10.6, 22.04 before 22.04.4, and 22.10 before 22.10.1 deserializes user input unsafely during skin import. A particularly structured XML file could cause code execution when being processed.
References
bugs.launchpad.net/mahara/+bug/1993082
mahara.org/interaction/forum/topic.php?id=9353
