CVE-2020-10821 Cross-site scripting in n/a
Cross-site scripting in Nagios XI allows attackers to inject scripts via the theme parameter, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-10821?
CVE-2020-10821 is a medium-severity cross-site scripting vulnerability in Nagios Nagios Xi, published on 22 Mar 2020. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Nagios XI 5.6.11 allows XSS via the account/main.php theme parameter.
Weakness: CWE-79
Which versions are affected by CVE-2020-10821?
It affects 1 product.
Products include Nagios Nagios Xi.
How do I fix CVE-2020-10821?
No fix has been published for CVE-2020-10821 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-2020-10821 being exploited?
There is no known exploitation of CVE-2020-10821 in the wild and no public exploit code.
Other vulnerabilities in Nagios Nagios Xi
Sources
Also known as GHSA-5jfg-wp6g-xrjf.