CVE-2020-36864

Nagios XI versions prior to 5.7.2 are vulnerable to cross-site scripting (XSS) via the background color settings in Dashboards. 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.

Score

CVSS 3.1 5.4 Medium

Status

Analyzed - disclosure@vulncheck.com

Published

2025-10-30

Last modified

2026-10-18

Weaknesses

CWE-79

Affected products

• Nagios Xi (Nagios)

References

• https://www.nagios.com/changelog/nagios-xi/
• https://www.vulncheck.com/advisories/nagios-xi-xss-via-dashboard-background-color-setting