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CVE-2026-58037

CVE-2026-58037 · Core log entries for exceptions and XSS issues in log entry formatting code that may be caused by user-controlled input

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Language/Language.Php, includes/Logging/BlockLogFormatter.Php, includes/Logging/LogFormatter.Php, includes/Logging/PatrolLogFormatter.Php, includes/Logging/RenameuserLogFormatter.Php, includes/Logging/TagLogFormatter.Php, includes/Specials/SpecialVersion.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

CVSS 0.0 · Low · EPSS 0.3% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • mediawiki

    Versions
    • ≥ *, < 1.46.0, 1.45.4, 1.44.6, 1.43.9: Affected (semver)

    Update to 1.46.0, 1.45.4, 1.44.6, 1.43.9

  • mediawiki Debian:12

    Versions
    • 1:1.39.10-1
    • 1:1.39.10-1~deb12u1
    • 1:1.39.12-1~deb12u1
    • 1:1.39.13-1~deb12u1
    • 1:1.39.17-1+deb12u2
    • 1:1.39.17-1~deb12u1
    • 1:1.39.2-1
    • 1:1.39.4-1
    • 1:1.39.4-1~deb12u1
    • 1:1.39.4-2
    • 1:1.39.5-1
    • 1:1.39.5-1~deb12u1
    • 1:1.39.6-1
    • 1:1.39.7-1
    • 1:1.39.7-1~deb12u1
    • 1:1.39.8-1
    • 1:1.43.0+dfsg-1
    • 1:1.43.0+dfsg-2
    • 1:1.43.1+dfsg-1
    • 1:1.43.1+dfsg-2
    • 1:1.43.3+dfsg-1
    • 1:1.43.5+dfsg-1
    • 1:1.43.6+dfsg-1
    • 1:1.43.6+dfsg-1~deb13u1
    • 1:1.43.6+dfsg-2
    • 1:1.43.8+dfsg-1
    • 1:1.43.8+dfsg-1~deb13u1
    • 1:1.43.8+dfsg-2
    • 1:1.43.9+dfsg-1
    • 1:1.43.9+dfsg-1~deb13u1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mediawiki Debian:13

    Versions
    • 1:1.43.3+dfsg-1
    • 1:1.43.5+dfsg-1
    • 1:1.43.6+dfsg-1
    • 1:1.43.6+dfsg-1~deb13u1
    • 1:1.43.6+dfsg-2
    • 1:1.43.8+dfsg-1
    • 1:1.43.8+dfsg-1~deb13u1
    • 1:1.43.8+dfsg-2
    Affected ranges
    • ECOSYSTEM: < 1:1.43.9+dfsg-1~deb13u1

    Update to 1:1.43.9+dfsg-1~deb13u1

  • mediawiki Debian:14

    Versions
    • 1:1.43.3+dfsg-1
    • 1:1.43.5+dfsg-1
    • 1:1.43.6+dfsg-1
    • 1:1.43.6+dfsg-1~deb13u1
    • 1:1.43.6+dfsg-2
    • 1:1.43.8+dfsg-1
    • 1:1.43.8+dfsg-1~deb13u1
    • 1:1.43.8+dfsg-2
    • 1:1.43.9+dfsg-1~deb13u1
    Affected ranges
    • ECOSYSTEM: < 1:1.43.9+dfsg-1

    Update to 1:1.43.9+dfsg-1

  • mediawiki Ubuntu:18.04:LTS

    Versions
    • 1:1.27.3-1
    • 1:1.27.4-1
    • 1:1.27.4-2
    • 1:1.27.4-3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mediawiki Ubuntu:Pro:20.04:LTS

    Versions
    • 1:1.31.2-1ubuntu1
    • 1:1.31.5-1
    • 1:1.31.5-1ubuntu1
    • 1:1.31.5-2
    • 1:1.31.5-3
    • 1:1.31.5-3ubuntu1
    • 1:1.31.6-1
    • 1:1.31.7-1
    • 1:1.31.7-1ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mediawiki Ubuntu:Pro:22.04:LTS

    Versions
    • 1:1.35.3-1
    • 1:1.35.4-1
    • 1:1.35.5-1
    • 1:1.35.5-1ubuntu1
    • 1:1.35.5-1ubuntu2
    • 1:1.35.5-1ubuntu3
    • 1:1.35.6-1
    • 1:1.35.6-1ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mediawiki Ubuntu:Pro:24.04:LTS

    Versions
    • 1:1.39.4-2
    • 1:1.39.5-1
    • 1:1.39.6-1
    • 1:1.39.7-1
    • 1:1.39.7-1ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mediawiki Ubuntu:25.10

    Versions
    • 1:1.43.1+dfsg-1
    • 1:1.43.1+dfsg-2
    • 1:1.43.3+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mediawiki Ubuntu:26.10

    Versions
    • 1:1.43.8+dfsg-2
    • 1:1.43.9+dfsg-1
    • 1:1.43.9+dfsg-1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mediawiki Ubuntu:26.04:LTS

    Versions
    • 1:1.43.3+dfsg-1
    • 1:1.43.5+dfsg-1
    • 1:1.43.6+dfsg-2
    • 1:1.43.8+dfsg-1
    • 1:1.43.8+dfsg-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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