Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files modules/ext.CheckUser/checkuser/checkUserHelper/buildUserElement.Js. This issue affects CheckUser: from * before 1.44.1.

INFO

Published Date :

2026-02-03T00:53:14.630Z

Last Modified :

2026-02-03T21:08:33.097Z

Source :

wikimedia-foundation
AFFECTED PRODUCTS

The following products are affected by CVE-2025-61651 vulnerability.

Vendors Products
Mediawiki
  • Checkuser
Wikimedia
  • Checkuser
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-61651.

URL Resource
https://phabricator.wikimedia.org/T403408 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact