CVE-2011-4304: Moodle

Medium severity, CVSS 4.0. EPSS: 1.7% chance of exploitation in the next 30 days.

The chat functionality in Moodle 2.0.x before 2.0.5 and 2.1.x before 2.1.2 allows remote authenticated users to discover the name of any user via a beep operation.

Affected products

• Moodle Moodle: version 2.0.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only; version 2.0.4 only; version 2.1.0 only; …

Published 2012-07-11. Last modified 2026-06-16.