Medium (6.1) in nagios nagios xi. EPSS 22% chance of exploitation in the next 30 days.
Cross-site scripting (XSS) vulnerability in Nagios XI before 5.5.11 allows attackers to inject arbitrary web script or HTML via the xiwindow parameter.
Severity
CVSS 3.1
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
22% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)