Cross-Site Scripting Vulnerability in Wikimedia Foundation's MediaWiki
CVE-2025-61640

NONE

Key Information:

Vendor

Wikimedia Foundation

Status
Mediawiki
Vendor
CVE Published:
2 February 2026

What is CVE-2025-61640?

A Cross-Site Scripting (XSS) vulnerability exists in Wikimedia Foundation's MediaWiki, specifically within the program files related to web page generation. This flaw allows malicious users to inject arbitrary scripts into web pages, potentially compromising user interactions and data. The vulnerability affects multiple versions of MediaWiki, including those prior to 1.39.14 and specific later versions. Users are encouraged to review and apply updates to mitigate risks associated with this issue.

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Affected Version(s)

MediaWiki * < 1.39.14, 1.43.4, 1.44.1

References

https://phabricator.wikimedia.org/T402075

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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