Vulnerabilities
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CVE Vulnerabilities

CVE-2022-45134

Deserialization of Untrusted Data

Published: Aug 22, 2025 | Modified: Sep 08, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
Vulnerability-free packages from our partners
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2022-45134
CWEhttps://cwe.mitre.org/data/definitions/502.html

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

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Affected Software

Name Vendor Start Version End Version
Mahara Mahara 21.10.0 (including) 21.10.6 (excluding)
Mahara Mahara 22.04.0 (including) 22.04.4 (excluding)
Mahara Mahara 22.10.0 (including) 22.10.1 (excluding)

Potential Mitigations

  • Make fields transient to protect them from deserialization.
  • An attempt to serialize and then deserialize a class containing transient fields will result in NULLs where the transient data should be. This is an excellent way to prevent time, environment-based, or sensitive variables from being carried over and used improperly.

References

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