CVE-2025-56432

6.1 mediumEPSS 0.9%

Medium (6.1) in nagios nagios xi. 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.

Severity

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2025-08-26
Modified: 2026-07-05
Record from: the NVD, synced 2026-10-19

Affected

nagios:nagios_xi

References

https://www.nagios.com/changelog/

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