VULNERABILITY INTELLIGENCE
CVE-2017-20209
CVSS score5.1 MEDIUM
EPSS probability0.52%
CISA KEVNot currently listed
Published2025-10-30
Last modified2026-10-18
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
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.
Weakness classification
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Primary references
- disclosure@vulncheck.com — Release Notes
- disclosure@vulncheck.com — Third Party Advisory