What’s Vulnerable › Vulnerabilities

CVE-2023-7318: Nagios XI < 2024R1.0.2 XSS via Core Command Expansion

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-30 · updated 2026-10-18
• Weakness: CWE-79

Description

Nagios XI versions prior to < 2024R1.0.2 are vulnerable to cross-site scripting (XSS) via the Nagios Core Command Expansion page. 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.

Affected products

• Nagios XI: before 2024; 2024-r1, 2024-r1.0.1 — fixed in 2024

How to fix

Upgrade to a fixed version: Nagios XI 2024. Check the vendor advisory for mitigations.

References

• https://www.nagios.com/changelog/nagios-xi/2024r1-0-2/
• https://www.nagios.com/products/security/#nagios-xi
• https://www.vulncheck.com/advisories/nagios-xi-xss-via-core-command-expansion

Get alerted when CVE-2023-7318 or the next vulnerability affects your stack