Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Api/Rest/Handler/UserInfoHandler.Php. This issue affects CheckUser: from a3dc1bbcc33acbcca6831d6afaccbb1054c93a57, 0584eb2ad564648aa3ce9c555dd044dda02b55f4.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction Active

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00042.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

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References
Link Providers
https://phabricator.wikimedia.org/T399093 cve-icon cve-icon
History

Tue, 03 Feb 2026 00:15:00 +0000

Type Values Removed Values Added
Description Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Api/Rest/Handler/UserInfoHandler.Php. This issue affects CheckUser: from a3dc1bbcc33acbcca6831d6afaccbb1054c93a57, 0584eb2ad564648aa3ce9c555dd044dda02b55f4.
Title UserInfoCard: Don't allow access to information about users who are suppressed if you don't have suppressor rights
References
Metrics cvssV4_0

{'score': 0.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U'}
cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-02-03T00:02:04.402Z

Reserved: 2025-09-29T13:18:40.092Z

Link: CVE-2025-61647

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-03T00:16:10.520

Modified: 2026-02-03T00:16:10.520

Link: CVE-2025-61647

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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