CVE-2010-2228: Moodle

Medium severity, CVSS 4.3. EPSS: 2.5% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the MNET access-control interface in Moodle before 1.8.13 and 1.9.x before 1.9.9 allows remote attackers to inject arbitrary web script or HTML via vectors involving extended characters in a username.

Affected products

• Moodle Moodle: up to and including 1.8.12; version 1.1.1 only; version 1.2.0 only; version 1.2.1 only; version 1.3.0 only; version 1.3.1 only; …

Published 2010-06-28. Last modified 2026-06-16.