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Medium severity6.1NVD Advisory· Published Dec 18, 2020· Updated Jun 17, 2026

CVE-2020-35479

CVE-2020-35479

Description

MediaWiki before 1.35.1 allows XSS via BlockLogFormatter.php. Language::translateBlockExpiry itself does not escape in all code paths. For example, the return of Language::userTimeAndDate is is always unsafe for HTML in a month value. This affects MediaWiki 1.12.0 and later.

AI Insight

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

Affected products

6
  • MediaWiki/Mediawiki2 versions
    cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*range: >=1.12.0,<1.35.1
    • (no CPE)range: <1.35.1
  • Debian/linux2 versions
    cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
    • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • Fedoraproject/Fedora
    cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  • osv-coords
    pkg:bitnami/mediawiki
    Range: >= 1.12.0, < 1.35.1

Patches

Vulnerability mechanics

References

5

News mentions

0

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