Nagios XI < 5.8.9 Stored XSS via Command Names in Apply Config Error Text
Nagios XI versions prior to 5.8.9 are vulnerable to cross-site scripting (XSS) via the Apply Configuration error text. 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.
Severity medium: primary CNA CVSS 5.1 v4.0 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2025-10-30T21:46:15.817Z. Updated 2025-11-17T18:21:44.766Z.