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CVE-2025-26953: Unauthorized Access Vulnerability in NotFound JetMenu

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Overview

This report discusses CVE-2025-26953, a missing authorization vulnerability in NotFound JetMenu. This plugin vulnerability could allow attackers to bypass Access Control Lists (ACLs), potentially leading to system compromise or data leakage. It is a significant concern for all users of JetMenu versions up to 2.4.9, as it may result in unauthorized access to functionality not properly constrained by ACLs.

Vulnerability Summary

CVE ID: CVE-2025-26953
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise or data leakage

Affected Products

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Product | Affected Versions

JetMenu | Up to 2.4.9

How the Exploit Works

The exploit takes advantage of a missing authorization flaw in JetMenu. An attacker can send specific requests to certain endpoints which are not properly constrained by ACLs. This allows the attacker to access and possibly modify data or functionality that they should not have access to, potentially leading to system compromise or data leakage.

Conceptual Example Code

An attacker could send a request similar to the following to exploit the vulnerability:

POST /unauthorized/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "unauthorized_request": "..." }

In this example, “unauthorized_request” represents data or functionality that the attacker is not authorized to access or modify, but due to the missing authorization vulnerability in JetMenu, the system erroneously processes the request.

Mitigation

To mitigate this vulnerability, users are advised to apply the vendor-supplied patch. If the patch is not yet available or cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure by blocking or alerting on attempts to exploit this vulnerability.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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