CVE-2018-25119: Nagios Fusion

Medium severity, CVSS 6.1. EPSS: 0.5% chance of exploitation in the next 30 days.

Nagios Fusion versions prior to 4.1.5 are vulnerable to cross-site scripting (XSS) via the "fusionwindow" parameter. 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

• Nagios Fusion: before 4.1.5 (fixed in 4.1.5)

Published 2025-10-30. Last modified 2026-06-17.