CVE-2021-36395: Moodle

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

In Moodle, the file repository's URL parsing required additional recursion handling to mitigate the risk of recursion denial of service.

Affected products

• Moodle Moodle: before 3.9.8 (fixed in 3.9.8); from 3.10.0, before 3.10.5 (fixed in 3.10.5); from 3.11.0, before 3.11.1 (fixed in 3.11.1)

Published 2023-03-06. Last modified 2026-06-17.