Cross-Site Scripting Vulnerability in MediaWiki by Wikimedia Foundation
CVE-2025-61645

NONE

Key Information:

Vendor

Wikimedia Foundation

Status
Mediawiki
Vendor
CVE Published:
3 February 2026

What is CVE-2025-61645?

An XSS vulnerability exists in MediaWiki versions prior to 1.44.1 due to improper neutralization of input during web page generation. This flaw could allow attackers to inject malicious scripts into web pages viewed by users, potentially leading to unauthorized access and data theft. The vulnerability is located in the CodexTablePager.php file, which handles user input without adequate validation. Users of affected MediaWiki versions are advised to upgrade to secure their installations against this exploit.

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Deploy the Patch

Affected Version(s)

MediaWiki * < 1.44.1

References

https://phabricator.wikimedia.org/T403761

CVSS V4

Score:
Severity:
NONE
Confidentiality:
None
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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