CVE-2026-48550 — Nagios Core / XI cmd.cgi Reflected XSS via NagFormId Parameter
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 attack…
Published: 2026-08-12 · CVSS: 5.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7