CVE-2022-45134 Deserialization in n/a

Critical 9.8 Published Updated

An attacker can execute arbitrary code by uploading a malicious XML file during the skin import process in Mahara.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-45134?

CVE-2022-45134 is a critical unsafe deserialization vulnerability in Mahara Mahara, published on 22 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-502

Which versions are affected by CVE-2022-45134?

It affects 1 product.

Products include Mahara Mahara.

How do I fix CVE-2022-45134?

No fix has been published for CVE-2022-45134 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2022-45134 being exploited?

There is no known exploitation of CVE-2022-45134 in the wild and no public exploit code.

All Mahara Mahara vulnerabilities

Sources

Also known as GHSA-77p7-jp5j-xxqj.

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