Medium severity5.3NVD Advisory· Published Dec 18, 2020· Updated Jun 17, 2026
CVE-2020-35480
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7- Range: <1.35.1
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
5- lists.debian.org/debian-lts-announce/2020/12/msg00034.htmlnvdMailing ListThird Party Advisory
- lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.htmlnvdMailing ListRelease NotesVendor Advisory
- www.debian.org/security/2020/dsa-4816nvdMailing ListThird Party Advisory
- phabricator.wikimedia.org/T120883nvdPermissions Required
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/nvd
News mentions
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