CVE-2024-33997: Moodle

Medium severity, CVSS 6.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Additional sanitizing was required when opening the equation editor to prevent a stored XSS risk when editing another user's equation.

Affected products

• Moodle Moodle: before 4.1.10 (fixed in 4.1.10); from 4.2.0, before 4.2.7 (fixed in 4.2.7); from 4.3.0, before 4.3.4 (fixed in 4.3.4)

Published 2024-05-31. Last modified 2026-06-17.