CVE-2016-3734: Moodle

High severity, CVSS 8.8. EPSS: 1.1% chance of exploitation in the next 30 days.

Cross-site request forgery (CSRF) vulnerability in markposts.php in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13 and earlier allows remote attackers to hijack the authentication of users for requests that marks forum posts as read.

Affected products

• Moodle Moodle: version 2.7.0 only; version 2.7.1 only; version 2.7.2 only; version 2.7.3 only; version 2.7.4 only; version 2.7.5 only; …

Published 2017-04-20. Last modified 2026-06-17.