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CVE ID:CVE-2020-35480
Description:An issue was discovered in MediaWiki before 1.35.1. Missing users (accounts that don't exist) and hidden users (accounts that have been explicitly hidden due to being abusive, or similar) that the viewer cannot see are handled differently, exposing sensitive information about the hidden status to unprivileged viewers. This exists on various code paths.
Test IDs: 1.3.6.1.4.1.25623.1.0.892504  
Cross References: Common Vulnerability Exposure (CVE) ID: CVE-2020-35480
Debian Security Information: DSA-4816 (Google Search)
https://www.debian.org/security/2020/dsa-4816
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/
https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html
https://phabricator.wikimedia.org/T120883
https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html




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