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Wikimedia Foundation MediaWiki Exposure of Sensitive Information Vulnerability

Vulnerability

A vulnerability allowing the exposure of sensitive information to unauthorized users has been identified in Wikimedia Foundation MediaWiki. This issue arises in the program file 'includes/Specials/SpecialUserRights.php' and affects MediaWiki versions prior to 1.43.7, 1.44.4, and 1.45.2.

Impact

Exploitation of this vulnerability could lead to unauthorized access to sensitive information.

Added: May 11, 2026, 6:46 PM
Updated: May 11, 2026, 6:46 PM

Vulnerability Rating

Custom Algorithm
spread
6.4
impact
2.5
exploitability
5.4
remediation
0.0
relevance
8.0
threat
0.0
urgency
2.9
incentive
0.0

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