CVE-2018-20171 Cross-site scripting in n/a
An unfiltered URL parameter in Nagios XI allows attackers to inject malicious scripts, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-20171?
CVE-2018-20171 is a medium-severity cross-site scripting vulnerability in Nagios Nagios Xi, published on 17 Dec 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An issue was discovered in Nagios XI before 5.5.8. The url parameter of rss_dashlet/magpierss/scripts/magpie_simple.php is not filtered, resulting in an XSS vulnerability.
Weakness: CWE-79
Which versions are affected by CVE-2018-20171?
It affects 1 product.
Products include Nagios Nagios Xi.
How do I fix CVE-2018-20171?
No fix has been published for CVE-2018-20171 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-2018-20171 being exploited?
There is no known exploitation of CVE-2018-20171 in the wild and no public exploit code.
Other vulnerabilities in Nagios Nagios Xi
Sources
Also known as GHSA-rhhj-pvqv-ph67.