Unsanitized Input Exposure in Wikimedia Foundation MediaWiki
CVE-2025-61634

NONE

Key Information:

Vendor

Wikimedia Foundation

Status
Mediawiki
Vendor
CVE Published:
2 February 2026

What is CVE-2025-61634?

This vulnerability in Wikimedia Foundation's MediaWiki arises from the improper handling of unsanitized input in the program files located at includes/Rest/Handler/PageHTMLHandler.php. Attackers exploiting this vulnerability can leverage the lack of input validation, potentially leading to unintended behavior in the software. As a result, users running vulnerable versions of MediaWiki before 1.39.14, 1.43.4, or 1.44.1 may be at risk of exposure or manipulation of sensitive information.

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Affected Version(s)

MediaWiki * < 1.39.14, 1.43.4, 1.44.1

References

https://phabricator.wikimedia.org/T387478

CVSS V4

Score:
Severity:
NONE
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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