CVE-2023-53690
4.8 · MEDIUMOverview
CVE-2023-53690 is a medium-severity vulnerability affecting nagios fusion. It was published on October 30, 2025 and has a CVSS 3.1 base score of 4.8 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from nagios. Update fusion to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| nagios | fusion | >= 0, < 4.2.0 | Affected |
Frequently Asked Questions
What is CVE-2023-53690?
CVE-2023-53690 is a medium-severity vulnerability affecting nagios fusion. It was published on October 30, 2025 and has a CVSS 3.1 base score of 4.8 (MEDIUM).
How severe is CVE-2023-53690?
This vulnerability has a CVSS 3.1 base score of 4.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2023-53690?
Check the references section for vendor advisories and patches from nagios. Update fusion to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-53690?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-53690 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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