CVE-2025-61658

MEDIUM

Wikimedia Foundation CheckUser <1.43.4-1.44.1 - Info Disclosure

Title source: llm

Description

Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/GlobalContributions/GlobalContributionsPager.Php. This issue affects CheckUser: from * before 1.43.4, 1.44.1.

References (1)

Core 1

Core References

Issue Tracking

https://phabricator.wikimedia.org/T404805

Scores

CVSS v3 4.3

EPSS 0.0006

EPSS Percentile 17.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-22

Status published

Products (3)

mediawiki/checkuser 1.44.0

mediawiki/checkuser 1.43.0 - 1.43.4

Wikimedia Foundation/CheckUser < 1.43.4, 1.44.1

Published Feb 03, 2026

Tracked Since Feb 18, 2026