Nagios Log Server <2.1.6 XSS via User/Host Pages
CVE-2020-36858 Published on October 30, 2025
Nagios Log Server < 2.1.6 XSS via Create User, Edit User, & Manage Host Lists Pages
Nagios Log Server versions prior to 2.1.6 contain cross-site scripting (XSS) vulnerabilities via the web interface on the Create User, Edit User, and Manage Host Lists pages. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2020-36858 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2020-36858
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Affected Versions
Nagios Log Server:- Before 2.1.6 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.