CVE-2023-7319: Nagios Network Analyzer < 2024R1 XSS via Percentile Calculator Menu

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% 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 Network Analyzer versions prior to 2024R1 are vulnerable to cross-site scripting (XSS) via the Percentile Calculator menu. 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 Network Analyzer: before 2024 — fixed in 2024

How to fix

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

References

https://www.nagios.com/changelog/#network-analyzer
https://www.vulncheck.com/advisories/nagios-network-analyzer-xss-via-percentile-calculator-menu

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