CVE-2026-48550
MEDIUM
NVD
CVSS Score
6.1
Severity
MEDIUM
Published
Aug 12, 2026
Vendor
unknown
Description
Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to reflected cross-site scripting in cmd.cgi via the NagFormId parameter. An unauthenticated remote attacker can craft a malicious link that, when followed by an authenticated user, executes arbitrary JavaScript in the victim's browser.