CVE-2020-1691: Moodle

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

In Moodle 3.8, messages required extra sanitizing before updating the conversation overview, to prevent the risk of stored cross-site scripting.

Affected products

• Moodle Moodle: version 3.8.0 only

Published 2022-08-05. Last modified 2026-06-17.