CVE-2025-11261

MEDIUM

6.1

Description

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.Language/mediawiki.Language.Js. This issue affects MediaWiki: from * before 1.39.15, 1.43.5, 1.44.2.

CVE Details

CVSS v3.1 Score6.1

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published2/3/2026

Last Modified3/25/2026

Sourcenvd

Honeypot Sightings0

Affected Products

mediawiki:mediawiki

Weaknesses (CWE)

CWE-79

References

https://https://phabricator.wikimedia.org/T406322(c4f26cc8-17ff-4c99-b5e2-38fc1793eacc)

https://phabricator.wikimedia.org/T402077(c4f26cc8-17ff-4c99-b5e2-38fc1793eacc)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.