CVE-2021-43265: Mahara

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, certain tag syntax could be used for XSS, such as via a SCRIPT element.

Affected products

• Mahara Mahara: from 20.04.0, 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)

Published 2021-11-02. Last modified 2026-06-17.