Nagios XI < 2024R1.1.3 XSS via Executive Summary Report
Nagios XI versions prior to 2024R1.1.3 are vulnerable to cross-site scripting (XSS) via the Executive Summary Report component. 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.
Nagios addresses this vulnerability as "Nagios XI was vulnerable to a cross-site scripting (XSS) attack in the Executive Summary Report" and as part of "Fixed both XSS in Executive Summary report and ajaxhelper endpoint that was too open."