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Wikimedia Foundation CheckUser Global Contributions Pager Vulnerability

Vulnerability

A vulnerability exists in Wikimedia Foundation CheckUser versions prior to 1.43.4 and 1.44.1. The issue is related to the Global Contributions Pager component, specifically in the program file GlobalContributionsPager.php.

Impact

Exploitation of this vulnerability could lead to unauthorized access or manipulation of global contribution data within the CheckUser tool.

Added: Feb 3, 2026, 2:23 AM
Updated: Feb 3, 2026, 2:23 AM

Vulnerability Rating

Custom Algorithm
spread
1.0
impact
0.0
exploitability
7.6
remediation
0.0
relevance
2.5
threat
0.0
urgency
2.9
incentive
4.2

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.