CVE-2025-61651

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.

PUBLISHED Reserved 2025-09-29 | Published 2026-02-03 | Updated 2026-02-03 | Assigner wikimedia-foundation

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

References

phabricator.wikimedia.org/T403408

cve.org (CVE-2025-61651)

nvd.nist.gov (CVE-2025-61651)

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