XSS in Nagios Xi
CVE-2023-53688
Nagios XI versions prior to 5.11.3 are vulnerable to cross-site scripting (XSS) and cross-site request forgery (CSRF) via the Hypermap Replay component. An attacker can submit crafted input that is not properly validated or escaped, allowing injection of malicious script that executes in the context of a victim's browser (XSS). Additionally, the component does not enforce sufficient anti-CSRF protections on state-changing operations, enabling an attacker to induce authenticated users to perform unwanted actions.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.003 (21.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Nagios Nagios_xi
- Nagios Xi — versions 0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory, Release Notes, patch)
- disclosure@vulncheck.com (release-notes, Release Notes, patch)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-53688?
- CVE-2023-53688 is a medium-severity vulnerability in Nagios Xi, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-10-30.
- How severe is CVE-2023-53688?
- Medium severity. CVSS v3 base score is 5.4 out of 10.