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CVE-2026-102586

CVE-2026-102586 · Moodle: xss via password reset link due to insufficient username escaping

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

A flaw was found in Moodle. Insufficient sanitization of username input on the password reset page allows a remote attacker to conduct a cross-site scripting (XSS) attack. By convincing an unauthenticated user to access a specially crafted password reset link, an attacker could execute arbitrary script in the victim's browser.

CVSS 4.3 · Medium · EPSS 0.3%

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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