CVE-2022-45134: Mahara

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Mahara Mahara: from 21.10.0, before 21.10.6 (fixed in 21.10.6); from 22.04.0, before 22.04.4 (fixed in 22.04.4); from 22.10.0, before 22.10.1 (fixed in 22.10.1)

Published 2025-08-22. Last modified 2026-06-17.