CVE-2025-56432: Nagios XI

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

A cross-site scripting (XSS) vulnerability exists in Nagios XI 2024R2. The vulnerability allows remote attackers to execute arbitrary JavaScript in the context of a logged-in user's session via a specially crafted URL. The issue resides in a web component responsible for rendering performance-related data.

Affected products

• Nagios Nagios XI: version 2024 only

Published 2025-08-26. Last modified 2026-07-05.