How to fix CVE-2025-56432?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is Nagios Xi affected by CVE-2025-56432?

CVE-2025-56432 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 6.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Organizations should apply vendor updates when available and monitor for exploitation.

CVE-2025-56432

MEDIUM

2025-08-26 [email protected]

6.1

CVSS 3.1

CVSS Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:08 vuln.today

CVE Published

Aug 26, 2025 - 16:15 nvd

MEDIUM 6.1

Description

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.

Analysis

A cross-site scripting (XSS) vulnerability exists in Nagios XI 2024R2. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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 include: Nagios Nagios Xi.

Affected Products

Nagios Nagios Xi.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.5

CVSS: +30

POC: 0

CVE-2025-56432 vulnerability details – vuln.today

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CVE-2025-56432

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CVE-2025-56432

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