CVE-2021-47721: Orangescrum

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Orangescrum 1.8.0 contains a privilege escalation vulnerability that allows authenticated users to take over other project-assigned accounts by manipulating session cookies. Attackers can extract the victim's unique ID from the page source and replace their own session cookie to gain unauthorized access to another user's account.

Affected products

• Orangescrum Orangescrum: version 1.8.0 only

Published 2025-12-23. Last modified 2026-06-17.