CVE-2021-36399

5.4 mediumEPSS 0.5%

Medium (5.4) in moodle moodle. EPSS 0.5% chance of exploitation in the next 30 days.

In Moodle, ID numbers displayed in the quiz override screens required additional sanitizing to prevent a stored XSS risk.

Severity

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2023-03-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19