CVE-2025-67481: mw.message(…).parse() doesn't output safe HTML, but it's being used as if it does

Published Feb 3, 2026
·
Updated

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.JqueryMsg/mediawiki.JqueryMsg.Js.

This issue affects MediaWiki: from before 1.39.16, 1.43.6, 1.44.3, 1.45.1.

Affected Software

5 affected components
Wikimedia Foundation MediaWiki<1.39.16
MediaWiki MediaWiki>=1.39.0<1.39.16
MediaWiki MediaWiki>=1.43.0<1.43.6
MediaWiki MediaWiki>=1.44.0<1.44.3
MediaWiki MediaWiki=1.45.0

Event History

Feb 3, 2026
CVE Published
via MITRE·01:30 AM
Data Sourced
via MITRE·01:30 AM
DescriptionWeakness
Data Sourced
via NVD·02:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-67481?

The severity of CVE-2025-67481 is high due to its risk of allowing Cross-site Scripting (XSS) attacks.

2

How do I fix CVE-2025-67481?

To fix CVE-2025-67481, update the MediaWiki software to version 1.39.16 or higher.

3

What type of vulnerability is CVE-2025-67481?

CVE-2025-67481 is classified as an Improper Neutralization of Input During Web Page Generation, specifically leading to Cross-site Scripting (XSS).

4

Which versions of MediaWiki are affected by CVE-2025-67481?

CVE-2025-67481 affects MediaWiki versions prior to 1.39.16.

5

What are the potential impacts of CVE-2025-67481?

The potential impacts of CVE-2025-67481 include unauthorized access to user data and the ability for attackers to execute scripts in the context of the affected user's session.

Contact

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