UserInfoCard is vulnerable to message key stored XSS_CVE-2025-61650

1.1 / 10

LOW

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

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 src/Services/CheckUserUserInfoCardService.Php.

This issue affects CheckUser: from * before 795bf333272206a0189050d975e94b70eb7dc507.

Basic Information

ID CVE-2025-61650

Source wikimedia-foundation

Published Feb 3, 2026 at 00:15

Affected Product

Vendor Wikimedia Foundation

Product CheckUser

Version *

Affected Versions Wikimedia Foundation CheckUser *

CWE Classification

CWE-79

References

phabricator.wikimedia.org /T403289

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    "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 src/Services/CheckUserUserInfoCardService.Php.\n\nThis issue affects CheckUser: from * before 795bf333272206a0189050d975e94b70eb7dc507.",
    "published": "2026-02-03T00:15:24.056Z",
    "modified": "2026-02-03T00:15:24.056Z",
    "type": "cve",
    "title": "UserInfoCard is vulnerable to message key stored XSS",
    "source": "wikimedia-foundation",
    "references": "https://phabricator.wikimedia.org/T403289",
    "id": "CVE-2025-61650",
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