Unrated severityNVD Advisory· Published Oct 30, 2025· Updated Nov 17, 2025
Nagios XI < 5.8.2 Core Config Manager (CCM) XSS via Overlay Modals
CVE-2021-47690
Description
The Core Config Manager (CCM) in Nagios XI versions prior to CCM 3.1.1 / Nagios XI 5.8.2 contains multiple cross-site scripting (XSS) vulnerabilities in Overlay modals. 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
2- 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-modalsmitrethird-party-advisory
News mentions
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