CVE-2020-36861: Improper Neutralization of Input During Web Page Generation

The Core Config Manager CCM in Nagios XI versions prior to CCM 3.0.8 / Nagios XI 5.7.5 contains multiple cross-site scripting XSS vulnerabilities in the overlay UI elements and the Notification/Check Period pages. Insufficient validation or escaping of user-supplied input may allow an attacker to...