CVE-2019-20139 Cross-site scripting in n/a
Authenticated users can execute cross-site scripting attacks against administrators via specific parameters in Nagios XI.
- 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-2019-20139?
CVE-2019-20139 is a medium-severity cross-site scripting vulnerability in Nagios Nagios Xi, published on 30 Dec 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
In Nagios XI 5.6.9, XSS exists via the nocscreenapi.php host, hostgroup, or servicegroup parameter, or the schedulereport.php hour or frequency parameter. Any authenticated user can attack the admin user.
Weakness: CWE-79
Which versions are affected by CVE-2019-20139?
It affects 1 product.
Products include Nagios Nagios Xi.
How do I fix CVE-2019-20139?
No fix has been published for CVE-2019-20139 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-2019-20139 being exploited?
There is no known exploitation of CVE-2019-20139 in the wild and no public exploit code.
Other vulnerabilities in Nagios Nagios Xi
Sources
Also known as GHSA-vxr3-fcvj-wxgq.