PT-2026-5738 · Wikimedia Foundation · Checkuser

Published 2026-02-03 · Updated 2026-02-03 · CVE-2025-61650

NVD

CVSS v4.0

1.1

1.1

Low

Base vector

AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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 src/Services/CheckUserUserInfoCardService.Php.

This issue affects CheckUser: from * before 795bf333272206a0189050d975e94b70eb7dc507.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-61650

Affected Products

Checkuser

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2025-61650 · Security Note
• https://phabricator.wikimedia.org/T403289 · Note