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CVE-2020-25812

CVE-2020-25812

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

An issue was discovered in MediaWiki 1.34.x before 1.34.4. On Special:Contributions, the NS filter uses unescaped messages as keys in the option key for an HTMLForm specifier. This is vulnerable to a mild XSS if one of those messages is changed to include raw HTML.

CVSS 6.1 · Medium · EPSS 1.1% · Fix available

Published
Updated

Stack: system · php

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • mediawiki Debian:12

    Affected ranges
    • ECOSYSTEM: < 1:1.35.0-1

    Update to 1:1.35.0-1

  • mediawiki Debian:13

    Affected ranges
    • ECOSYSTEM: < 1:1.35.0-1

    Update to 1:1.35.0-1

  • mediawiki Debian:14

    Affected ranges
    • ECOSYSTEM: < 1:1.35.0-1

    Update to 1:1.35.0-1

  • mediawiki/core Packagist

    Versions
    • 1.34.0
    • 1.34.1
    • 1.34.2
    Affected ranges
    • ECOSYSTEM: ≥ 1.34.0, < 1.34.3

    Update to 1.34.3

  • mediawiki/core Packagist

    Versions
    • 1.35.0-rc.0
    • 1.35.0-rc.1
    • 1.35.0-rc.2
    • 1.35.0-rc.3
    Affected ranges
    • ECOSYSTEM: ≥ 1.35.0-rc.0, < 1.35.0

    Update to 1.35.0

  • 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

Original sources

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