CVE-2020-36861
Medium · 5.4CVSS
5.4
EPSS
0.4%
Published
Oct 30, 2025
CISA due date
—
The record
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 inject and execute arbitrary script in the context of a victim's browser.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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