CVE-2023-39000: Opnsense

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

A reflected cross-site scripting (XSS) vulnerability in the component /ui/diagnostics/log/core/ of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allows attackers to inject arbitrary JavaScript via the URL path.

Affected products

• Opnsense Opnsense: before 23.7 (fixed in 23.7)

Published 2023-08-09. Last modified 2026-06-17.