Cross-Site Scripting Vulnerability in Wikimedia Foundation MediaWiki
CVE-2025-67483

NONE

Key Information:

Vendor

Wikimedia Foundation

Status
Mediawiki
Vendor
CVE Published:
3 February 2026

What is CVE-2025-67483?

A Cross-Site Scripting (XSS) vulnerability exists in the Wikimedia Foundation's MediaWiki application due to improper neutralization of input during web page generation. This flaw can allow attackers to inject malicious scripts into web pages viewed by other users, potentially leading to data theft, session hijacking, or unauthorized actions performed on behalf of users. The affected versions include MediaWiki prior to 1.43.6, as well as versions 1.44.3 and 1.45.1. It is crucial for users and administrators to upgrade to secure versions to mitigate this security risk.

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Affected Version(s)

MediaWiki * < 1.43.6, 1.44.3, 1.45.1

References

https://phabricator.wikimedia.org/T409226

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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