VULNERABILITY INTELLIGENCE
CVE-2021-47698
CVSS score5.4 MEDIUM
EPSS probability0.44%
CISA KEVNot currently listed
Published2025-11-03
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Description
Nagios XI versions prior to 5.8.7 using embedded Nagios Core are vulnerable to cross-site scripting (XSS) via the Core UI’s Views URL handling (escape_string()). 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
- disclosure@vulncheck.com: CWE-79
Primary references
- disclosure@vulncheck.com — Release Notes
- disclosure@vulncheck.com — Third Party Advisory