Security Flaw in MediaWiki by Wikimedia Foundation
CVE-2025-61643

2.7LOW

Key Information:

Vendor

Wikimedia Foundation

Status
Mediawiki
Vendor
CVE Published:
2 February 2026

What is CVE-2025-61643?

A vulnerability has been identified in the Wikimedia Foundation's MediaWiki platform, specifically in the program files of RecentChangeRCFeedNotifier.Php. This issue may allow unintended access or manipulation of changes made within MediaWiki, particularly affecting versions earlier than 1.39.14 and the specified later versions—1.43.4 and 1.44.1. It is crucial for users to update their installations to safeguard their websites and data from potential exploitation.

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Affected Version(s)

MediaWiki * < 1.39.14, 1.43.4, 1.44.1

References

https://phabricator.wikimedia.org/T403757

CVSS V4

Score:
2.7
Severity:
LOW
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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