CVE-2025-3635: Moodle

Low severity, CVSS 3.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A security vulnerability was discovered in Moodle that allows anyone to duplicate existing tours without needing to log in due to a lack of protection against cross-site request forgery (CSRF) attacks.

Affected products

• Moodle Moodle: before 4.1.18 (fixed in 4.1.18); from 4.3.0, before 4.3.12 (fixed in 4.3.12); from 4.4.0, before 4.4.8 (fixed in 4.4.8); from 4.5.0, before 4.5.4 (fixed in 4.5.4)

Published 2025-04-25. Last modified 2026-06-17.