How to fix CVE-2024-42898?

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-2024-42898?

CVE-2024-42898 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 5.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Proof-of-concept code is publicly available.

CVE-2024-42898

MEDIUM

2025-01-09 [email protected]

5.4

CVSS 3.1

CVSS Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:02 vuln.today

PoC Detected

Jun 24, 2025 - 14:27 vuln.today

Public exploit code

CVE Published

Jan 09, 2025 - 20:15 nvd

MEDIUM 5.4

Description

Analysis

A cross-site scripting (XSS) vulnerability in Nagios XI 2024R1.1.4 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Name parameter in the Account. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and 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 in Nagios XI 2024R1.1.4 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Name parameter in the Account Settings page. 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: +2.8

CVSS: +27

POC: +20

CVE-2024-42898 vulnerability details – vuln.today

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CVE-2024-42898

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CVE-2024-42898

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