CVE-2012-3391: Moodle

Medium severity, CVSS 4.0. EPSS: 1.1% chance of exploitation in the next 30 days.

mod/forum/rsslib.php in Moodle 2.1.x before 2.1.7 and 2.2.x before 2.2.4 does not properly implement the requirement for posting before reading a Q&A forum, which allows remote authenticated users to bypass intended access restrictions by leveraging the student role and reading the RSS feed for a forum.

Affected products

• Moodle Moodle: version 2.1.0 only; version 2.1.1 only; version 2.1.2 only; version 2.1.3 only; version 2.1.4 only; version 2.1.5 only; …

Published 2012-07-23. Last modified 2026-06-16.