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Medium severity4.3NVD Advisory· Published Apr 9, 2021· Updated Jun 17, 2026

CVE-2021-30156

CVE-2021-30156

Description

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Special:Contributions can leak that a "hidden" user exists.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

7
  • MediaWiki/MediaWikidescription
  • osv-coords
    pkg:bitnami/mediawiki
    Range: < 1.31.12
  • Wikimedia Foundation/Mediawikillm-fuzzy
    Range: <1.31.12, 1.32.x through 1.35.x before 1.35.2
  • MediaWiki/Mediawikillm-fuzzy2 versions
    <1.31.12, 1.32.x through 1.35.x before 1.35.2+ 1 more
    • (no CPE)range: <1.31.12, 1.32.x through 1.35.x before 1.35.2
    • cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*range: <1.31.12
  • Fedoraproject/Fedora2 versions
    cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
    • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

3

News mentions

0

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