Nagios XI versions prior to 2024R1 are vulnerable to cross-site scripting (XSS) via the Graph Explorer component. 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.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://www.nagios.com/products/security/#nagios-xi Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.1 · nagiosNVD modified 2026-10-18 00:10
Affected (CPE criteria) 1
cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*
References 3
- https://www.nagios.com/changelog/nagios-xi/ Release Notes
- https://www.nagios.com/products/security/#nagios-xi Vendor Advisory
- https://www.vulncheck.com/advisories/nagios-xi-xss-via-graph-explorer-2 Third Party Advisory