CVE-2024-56916

MediumPublic PoC

Published: 24 June 2025

Published

24 June 2025

Modified

30 June 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 0.0022 45.1th percentile

Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-56916 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Netbox Netbox. Its CVSS base score is 6.1 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique JavaScript (T1059.007); ranked at the 45.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2024-55003

Vulnerability details

In Netbox Community 4.1.7, once authenticated, Configuration History > Add`is vulnerable to cross-site scripting (XSS) due to the `current value` field rendering user supplied html. An authenticated attacker can leverage this to add malicious JavaScript to the any banner field.…

Once a victim edits a Configuration History version or attempts to Add a new version, the XSS payload will trigger.

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 →

T1185 Browser Session Hijacking Collection

Adversaries may take advantage of security vulnerabilities and inherent functionality in browser software to change content, modify user-behaviors, and intercept information as part of various browser session hijacking techniques.

attack.mitre.org →

T1550.004 Web Session Cookie Lateral Movement

Adversaries can use stolen session cookies to authenticate to web applications and services.

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 →

T1555.003 Credentials from Web Browsers Credential Access

Adversaries may acquire credentials from web browsers by reading files specific to the target browser.

attack.mitre.org →

Why these techniques?

Stored XSS in Netbox Configuration History enables authenticated attackers to inject and execute arbitrary JavaScript in victims' browsers, facilitating JS-based execution (T1059.007), browser session hijacking (T1185), and theft of web session cookies (T1506, T1539) or browser credentials (T1555.003).