CVE-2024-54958

Medium

Published: 20 February 2025

Published

20 February 2025

Modified

01 July 2025

KEV Added

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Patch

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CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Score 0.0050 66.5th percentile

Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-54958 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Nagios Nagios Xi. Its CVSS base score is 6.1 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique JavaScript (T1059.007); ranked in the top 33.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2025-4458

Vulnerability details

Nagios XI 2024R1.2.2 is susceptible to a stored Cross-Site Scripting (XSS) vulnerability in the Tools page. This flaw allows an attacker to inject malicious scripts into the Tools interface, which are then stored and executed in the context of other…

users accessing the page.

CWE(s): CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1059.007 JavaScript Execution

Adversaries may abuse various implementations of JavaScript for execution.

attack.mitre.org →

T1539 Steal Web Session Cookie Credential Access

An adversary may steal web application or service session cookies and use them to gain access to web applications or Internet services as an authenticated user without needing credentials.

attack.mitre.org →

T1078 Valid Accounts Stealth

Adversaries may obtain and abuse credentials of existing accounts as a means of gaining Initial Access, Persistence, Privilege Escalation, or Defense Evasion.

attack.mitre.org →

Why these techniques?

Stored XSS allows arbitrary JavaScript injection and execution in victims' browser sessions on the Tools page (T1059.007), enabling theft of web session cookies (T1539) and abuse of valid accounts (T1078).