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

CVE-2021-30155

CVE-2021-30155

Description

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. ContentModelChange does not check if a user has correct permissions to create and set the content model of a nonexistent page.

AI Insight

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

Affected products

8
  • MediaWiki/MediaWikidescription
  • MediaWiki/Mediawiki2 versions
    cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*range: <1.31.12
    • (no CPE)range: <1.31.12, >=1.32.0, <1.35.2
  • Debian/linux2 versions
    cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
    • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • 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:*:*:*:*:*:*:*
  • osv-coords
    pkg:bitnami/mediawiki
    Range: < 1.31.12

Patches

Vulnerability mechanics

References

7

News mentions

0

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