CVE-2018-25119
low-risk
Published 2025-10-30
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.
Do I need to act?
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0.38% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10
Medium
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (2)
Release Notes
https://www.nagios.com/changelog/nagios-fusion/
Third Party Advisory
https://www.vulncheck.com/advisories/nagios-fusion-xss-via-fusionwindow-paramete...
29
/ 100
low-risk
Severity
23/34 · High
Exploitability
1/34 · Minimal
Exposure
5/34 · Minimal