Unrated severityNVD Advisory· Published Oct 30, 2025· Updated Nov 17, 2025
Nagios XI < 5.7.3 XSS via Manage Users in Admin Interface
CVE-2020-36866
Description
Nagios XI versions prior to 5.7.3 are vulnerable to cross-site scripting (XSS) via the Manage Users page of the Admin interface. 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
2- Nagios/XIv5Range: 0
Patches
Vulnerability mechanics
References
2- www.nagios.com/changelog/nagios-xi/mitrerelease-notespatch
- www.vulncheck.com/advisories/nagios-xi-xss-via-manage-users-in-admin-interfacemitrethird-party-advisory
News mentions
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