Medium severity5.4NVD Advisory· Published Oct 30, 2025· Updated Jun 17, 2026
CVE-2020-36861
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.
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Affected products
3- Nagios/XIv5Range: 0
Patches
Vulnerability mechanics
References
2- www.vulncheck.com/advisories/nagios-xi-ccm-xss-via-overlay-rendering-and-notification-check-period-pagesnvdThird Party Advisory
- www.nagios.com/changelog/nagios-xi/nvdRelease Notes
News mentions
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