CVE-2023-53690
Medium
Description
Nagios Fusion versions prior to 4.2.0 contain a stored cross-site scripting (XSS) vulnerability in the LDAP/AD authentication-server configuration. Unsanitized user input can be stored and later rendered in the administrative UI, causing JavaScript to execute in the browser of any user who views the affected page. An attacker who can add authentication servers via LDAP/AD integration could persist a malicious payload that executes in the context of other users' browsers.
SeverityMedium
CVSS4.8
Exploit probability—
ProductNagios Fusion
PublishedOct 30, 2025
First seenOct 30, 2025
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- nagios fusion4.2.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nagios fusion | v < 4.2.0 | 4.2.0 |
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