CVE-2023-28334: Moodle

Medium severity, CVSS 4.3. EPSS: 0.6% chance of exploitation in the next 30 days.

Authenticated users were able to enumerate other users' names via the learning plans page.

Affected products

• Moodle Moodle: after 4.0.0, before 4.0.7 (fixed in 4.0.7); version 4.0.0 only; version 4.1.0 only; version 4.1.1 only

Published 2023-03-23. Last modified 2026-06-17.