CVE-2021-47721 Orangescrum 1.8.0 Authenticated Privilege Escalation via User Session Manipulation
Authenticated users can hijack other accounts by manipulating session cookies, leading to unauthorized access and privilege escalation in Orangescrum.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-47721?
CVE-2021-47721 is a high-severity authentication bypass vulnerability in orangescrum, published on 23 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-639
Which versions are affected by CVE-2021-47721?
It affects 1 product.
Products include Orangescrum Orangescrum.
How do I fix CVE-2021-47721?
No fix has been published for CVE-2021-47721 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-47721 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47721 exists.
Other vulnerabilities in orangescrum
Sources
Also known as GHSA-r5c3-xjh9-7vcw.