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CVE-2026-58028

CVE-2026-58028 · Pretty-printed API output combined with centralauthtoken allows XSS with certain gadgets

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, Wikimedia Foundation CentralAuth. This vulnerability is associated with program files includes/Api/ApiFormatBase.Php, includes/Api/ApiHelp.Php, includes/ResourceLoader/Module.Php, includes/Hooks/Handlers/PageDisplayHookHandler.Php, includes/LogFormatter/PermissionChangeLogFormatter.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9; CentralAuth: 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

  • centralauth

    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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