CVE-2021-31546: 
NixOS vulnerability analysis and mitigation

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. The vulnerability incorrectly logged sensitive suppression deletions, which should not have been visible to users with access to view AbuseFilter log data (MITRE CVE).

The vulnerability affects the AbuseFilter extension in MediaWiki versions through 1.35.2. The issue relates to improper handling of suppression deletions in the logging system, where sensitive information that should have been restricted was being logged and potentially exposed to users with AbuseFilter log access permissions (MITRE CVE).

The vulnerability could lead to unauthorized access to sensitive suppression deletion information by users who only have AbuseFilter log viewing permissions, potentially compromising the confidentiality of suppressed content (MITRE CVE).