CVE-2021-47691
Medium
Description
The Core Config Manager (CCM) in Nagios XI versions prior to CCM 3.1.1 / Nagios XI 5.8.2 contains multiple cross-site scripting (XSS) vulnerabilities via the Services page affecting the config_name and service_description fields. 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.
SeverityMedium
CVSS5.4
Exploit probability—
ProductNagios Xi
PublishedOct 30, 2025
First seenOct 30, 2025
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- nagios nagios_xi5.8.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nagios nagios_xi | v < 5.8.2 | 5.8.2 |
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