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CVE-2026-102581

CVE-2026-102581 · Moodle: xss in forum post templates due to insufficient escaping

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

A flaw was found in Moodle. Insufficient output escaping in templates used to display forum posts enables a stored cross-site scripting (XSS) vulnerability. An attacker can inject malicious content into a forum post, which then executes arbitrary script code in the browser of another user viewing the affected post.

CVSS 4.6 · Medium · EPSS 0.2%

Published
Updated

Stack: system

Affected products and versions

  • moodle Ubuntu:Pro:16.04:LTS

    Versions
    • 2.7.9+dfsg-1
    • 2.7.10+dfsg-1
    • 2.7.11+dfsg-1
    • 2.7.11+dfsg-2
    • 2.7.12+dfsg-1
    • 3.0.3+dfsg-0ubuntu1
    • 3.0.3+dfsg-0ubuntu1+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • moodle Ubuntu:Pro:18.04:LTS

    Versions
    • 3.0.3+dfsg-0ubuntu1
    • 3.0.3+dfsg-0ubuntu1+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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