CVE-2020-8789 Cross-site scripting in n/a
Persistent XSS in Composr allows attackers to inject scripts via Usergroup names, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-8789?
CVE-2020-8789 is a medium-severity cross-site scripting vulnerability in n/a, published on 22 May 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Composr 10.0.30 allows Persistent XSS via a Usergroup name under the Security configuration.
Weakness: CWE-79
Which versions are affected by CVE-2020-8789?
It affects 1 product.
Products include Composr Project Composr.
How do I fix CVE-2020-8789?
No fix has been published for CVE-2020-8789 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2020-8789 being exploited?
There is no known exploitation of CVE-2020-8789 in the wild and no public exploit code.
Sources
Also known as GHSA-h245-x3rp-cpq4.