CVE-2020-27990 Cross-site scripting in n/a
An attacker can execute arbitrary scripts in the Nagios XI Deployment tool, potentially compromising user sessions and data.
- 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-2020-27990?
CVE-2020-27990 is a medium-severity cross-site scripting vulnerability in Nagios Nagios Xi, published on 16 Nov 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
Nagios XI before 5.7.5 is vulnerable to XSS in the Deployment tool (add agent).
Weakness: CWE-79
Which versions are affected by CVE-2020-27990?
It affects 1 product.
Products include Nagios Nagios Xi.
How do I fix CVE-2020-27990?
No fix has been published for CVE-2020-27990 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-2020-27990 being exploited?
There is no known exploitation of CVE-2020-27990 in the wild and no public exploit code.
Other vulnerabilities in Nagios Nagios Xi
Sources
Also known as GHSA-pxmr-qpfw-pj3x.