CVE-2018-25119

Medium

Description

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.

SeverityMedium
CVSS6.1
Exploit probability—
ProductNagios Fusion
PublishedOct 30, 2025
First seenOct 30, 2025

How to fix

Update
  • nagios fusion4.1.5 or later

Affected products

ProductAffected versionsFixed in
nagios fusionv < 4.1.54.1.5

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2018-25119 · Nagios Fusion · Dark Radar