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Vulnerability DatabaseCVE-2021-31545

CVE-2021-31545: 
NixOS vulnerability analysis and mitigation

Overview

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. The vulnerability involves the pagerecentcontributors feature which leaked the existence of certain deleted MediaWiki usernames, specifically related to rev_deleted functionality (CVE Database).

Technical details

The vulnerability affects the AbuseFilter extension's pagerecentcontributors functionality in MediaWiki versions through 1.35.2. The issue specifically relates to the exposure of rev_deleted (revision deleted) usernames that should have remained hidden from view (CVE Database).

Impact

The vulnerability results in information disclosure, specifically exposing deleted MediaWiki usernames that were intended to be hidden from public view. This compromises the privacy protections that the rev_deleted functionality is designed to provide (CVE Database).

Additional resources

Source: This report was generated using AI

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