Cross-Site Scripting Vulnerability in MediaWiki by Wikimedia Foundation
CVE-2025-67477

NONE

Key Information:

Vendor

Wikimedia Foundation

Status
Mediawiki
Vendor
CVE Published:
3 February 2026

What is CVE-2025-67477?

A flaw in MediaWiki allows for improper handling of user input during web page generation, leading to potential Cross-Site Scripting (XSS) attacks. This vulnerability stems from the ApiSandboxLayout.Js file located in the resources/src/mediawiki.Special.Apisandbox directory. Attackers could leverage this vulnerability to inject malicious scripts into web pages viewed by other users, compromising the security of the application and its users. Affected versions include those prior to 1.44.3 and version 1.45.1.

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Affected Version(s)

MediaWiki * < 1.44.3, 1.45.1

References

https://phabricator.wikimedia.org/T406639

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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