CVE-2022-45134

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-08-22 · updated 2026-06-17
Weakness: CWE-502

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.

Affected products

mahara: from 21.10.0 before 21.10.6; from 22.04.0 before 22.04.4; from 22.10.0 before 22.10.1 — fixed in 21.10.6, 22.04.4, 22.10.1

How to fix

Upgrade to a fixed version: mahara 21.10.6, 22.04.4, 22.10.1. Check the vendor advisory for mitigations.

References

https://bugs.launchpad.net/mahara/+bug/1993082
https://mahara.org/interaction/forum/topic.php?id=9353

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