CVE-2025-61650 LOW

CVE-2025-61650: UserInfoCard is vulnerable to message key stored XSS

Vendor Wikimedia Foundation
Product CheckUser
Weakness CWE-79 · XSS
Published February 3, 2026
Last update February 3, 2026
View on NVD All CVEs

CVSS base score

1.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 3, 2026 CVE published
February 3, 2026 Record updated