Unrated severityNVD Advisory· Published Oct 30, 2025· Updated Nov 17, 2025
Nagios XI < 5.7.5 Core Config Manager (CCM) XSS via Overlay Rendering and Notification/Check Period Pages
CVE-2020-36861
Description
The Core Config Manager (CCM) in Nagios XI versions prior to CCM 3.0.8 / Nagios XI 5.7.5 contains multiple cross-site scripting (XSS) vulnerabilities in the overlay UI elements and the Notification/Check Period 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.
Affected products
3- Range: <3.0.8
- Nagios/XIv5Range: 0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- www.nagios.com/changelog/nagios-xi/mitrerelease-notespatch
- www.vulncheck.com/advisories/nagios-xi-ccm-xss-via-overlay-rendering-and-notification-check-period-pagesmitrethird-party-advisory
News mentions
0No linked articles in our index yet.