CVE-2020-8789: Composr Project Composr

Medium severity, CVSS 5.4. EPSS: 0.7% chance of exploitation in the next 30 days.

Composr 10.0.30 allows Persistent XSS via a Usergroup name under the Security configuration.

Affected products

• Composr Project Composr: up to and including 10.0.30

Published 2020-05-22. Last modified 2026-06-17.