CVE-2021-43264: Mahara

Low severity, CVSS 3.3. 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, adjusting the path component for the page help file allows attackers to bypass the intended access control for HTML files via directory traversal. It replaces the - character with the / character.

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.