CVE-2017-1000152: Mahara

Critical severity, CVSS 9.8. EPSS: 1.2% chance of exploitation in the next 30 days.

Mahara 15.04 before 15.04.7 and 15.10 before 15.10.3 running PHP 5.3 are vulnerable to one user being logged in as another user on a separate computer as the same session ID is served. This situation can occur when a user takes an action that forces another user to be logged out of Mahara, such as an admin changing another user's account settings.

Affected products

• Mahara Mahara: version 15.04 only; version 15.04.0 only; version 15.04.1 only; version 15.04.2 only; version 15.04.3 only; version 15.04.4 only; …

Published 2017-11-03. Last modified 2026-06-17.