CVE-2019-14831: Moodle

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability was found in Moodle 3.7 to 3.7.1, 3.6 to 3.6.5, 3.5 to 3.5.7 and earlier unsupported versions, where forum subscribe link contained an open redirect if forced subscription mode was enabled. If a forum's subscription mode was set to "forced subscription", the forum's subscribe link contained an open redirect.

Affected products

• Moodle Moodle: from 3.5.0, up to and including 3.5.7; from 3.6.0, up to and including 3.6.5; from 3.7.0, up to and including 3.7.1

Published 2021-03-19. Last modified 2026-06-17.