CVE-2020-36866
Medium · 5.4CVSS
5.4
EPSS
0.4%
Published
Oct 30, 2025
CISA due date
—
The record
Nagios XI versions prior to 5.7.3 are vulnerable to cross-site scripting (XSS) via the Manage Users page of the Admin interface. 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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