CVE-2021-40849: Mahara

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, the account associated with a web services token is vulnerable to being exploited and logged into, resulting in information disclosure (at a minimum) and often escalation of privileges.

Affected products

• Mahara Mahara: before 20.04.5 (fixed in 20.04.5); from 20.10.0, before 20.10.3 (fixed in 20.10.3); from 21.04.0, before 21.04.2 (fixed in 21.04.2); version 21.10.0 only

Published 2021-11-03. Last modified 2026-06-17.