CVE-2026-22712: ApprovedRevs allows bypassing the inline CSS sanitizer

Published Jan 9, 2026
·
Updated

Improper Encoding or Escaping of Output due to magic word replacement in ParserAfterTidy vulnerability in The Wikimedia Foundation Mediawiki - ApprovedRevs Extension allows Input Data Manipulation.This issue affects Mediawiki - ApprovedRevs Extension: 1.45, 1.44, 1.43, 1.39.

Affected Software

5 affected components
The Wikimedia Foundation Mediawiki - ApprovedRevs Extension>=1.39<=1.45
Wikiworks Approved Revs Mediawiki=1.39
Wikiworks Approved Revs Mediawiki=1.43
Wikiworks Approved Revs Mediawiki=1.44
Wikiworks Approved Revs Mediawiki=1.45

Remediation

Patch Available

https://gerrit.wikimedia.org/r/q/Iee1bf1cbc8a519899e7f9dde508856bd4e5a5d2a

Event History

Jan 9, 2026
CVE Published
via MITRE·12:06 AM
Data Sourced
via MITRE·12:06 AM
DescriptionWeakness
Data Sourced
via NVD·12:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Apr 4, 58088
Event
via NVD·09:15 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-22712?

CVE-2026-22712 is classified as a medium severity vulnerability due to improper encoding or escaping of output.

2

How do I fix CVE-2026-22712?

To fix CVE-2026-22712, update the Mediawiki - ApprovedRevs Extension to version 1.46 or later.

3

What versions of Mediawiki - ApprovedRevs Extension are affected by CVE-2026-22712?

CVE-2026-22712 affects Mediawiki - ApprovedRevs Extension versions 1.39 to 1.45 inclusive.

4

What kind of vulnerability is CVE-2026-22712?

CVE-2026-22712 is an input data manipulation vulnerability due to improper encoding or escaping of output.

5

Who is responsible for addressing CVE-2026-22712?

The Wikimedia Foundation is responsible for addressing and providing fixes for CVE-2026-22712.

Company

Resources

Contact

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