CVE-2025-61649 PUBLISHED

UserInfoCard: Check that performing user has permission to view log entries for number of past blocks

Assigner: wikimedia-foundation
Reserved: 29.09.2025 Published: 03.02.2026 Updated: 03.02.2026

Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Services/CheckUserUserInfoCardService.Php.

This issue affects CheckUser: from 7cedd58781d261f110651b6af4f41d2d11ae7309.

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
CVSS Score: 1.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	High
User Interaction	Passive

CVSS 4.0

Vendor	Wikimedia Foundation
Product	CheckUser
Versions	Default: unaffected affected from 7cedd58781d261f110651b6af4f41d2d11ae7309 to * (excl.)