Description
Nagios Fusion versions prior to 4.0.1 are vulnerable to cross-site scripting (XSS) via the Users and Servers pages. 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.
Metrics
CVSS 3.1 6.1/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Nagios | Fusion | < 4.0.1 |
References
- https://www.nagios.com/changelog/nagios-fusion/Release Notes
- https://www.vulncheck.com/advisories/nagios-fusion-xss-via-users-servers-pageThird Party Advisory
Timeline
- Published
- Oct 30, 2025
- Last modified
- Oct 18, 2026
- NVD status
- Analyzed