In this in-depth analysis, we will be looking at a Cross-Site Request Forgery (CSRF) vulnerability in the Lukman Nakib Preloader Matrix. This vulnerability has been assigned CVE identifier CVE-2023-47685 and affects Preloader Matrix versions from n/a to 2..1. We will discuss the potential risks, show you a code snippet that demonstrates the vulnerability, and provide references to the original sources for further reading.

The Vulnerability Explained

Cross-Site Request Forgery (CSRF) is a type of web vulnerability that allows an attacker to trick a user into performing unintended actions on a web application in which they are currently authenticated. This can lead to a variety of negative consequences for the affected user, such as unauthorized data disclosure, modification, or even deletion.

In the case of the Lukman Nakib Preloader Matrix, the CSRF vulnerability arises from the lack of proper server-side validation and token-based protections during various sensitive processes. This means that an attacker can forge requests on behalf of a legitimate user, potentially leading to unauthorized actions on that user's account.

Code Snippet Demonstrating the Vulnerability

The following code snippet showcases a simple proof-of-concept (PoC) that takes advantage of the CSRF vulnerability present in the Lukman Nakib Preloader Matrix:

    <h1>CSRF PoC for CVE-2023-47685</h1>
    <form action=""; method="POST">
      <input type="hidden" name="malicious_param" value="malicious_value" />
      <input type="submit" value="Click Me!" />

This code snippet demonstrates how an attacker might create a malicious web page that sends a POST request to a vulnerable Preloader Matrix instance when a button is clicked. Because the application lacks proper CSRF protections, the attacker's forged request would be processed without further scrutiny by the server, possibly leading to unauthorized actions on the victim's account.

For further reading and in-depth information regarding this vulnerability, you can refer to the following authoritative sources:

- CVE Details:
- National Vulnerability Database (NVD):
- Vulnerability Researcher's Blog Post:

An attacker seeking to exploit this CSRF vulnerability would likely follow these steps

1. Identify a vulnerable Preloader Matrix instance: The attacker would first need to locate an instance of the Preloader Matrix running a version from n/a to 2..1, which suffers from this vulnerability.

2. Craft a malicious web page: The attacker would need to craft a web page containing the aforementioned code snippet, modified to target the specific vulnerable instance.

3. Lure the victim to the malicious page: By using social engineering tactics or other similar means, the attacker would then trick the targeted user into visiting the malicious web page, typically via a hyperlink sent through email, a messaging app, or embedded in a forum post.

4. Exploit the CSRF vulnerability: Upon clicking the button on the malicious web page, the victim's browser would send the POST request containing the attacker's malicious parameters to the vulnerable Preloader Matrix instance. In the absence of proper server-side CSRF protections, the application would process the request and perform the unauthorized actions specified by the attacker.


CVE-2023-47685 is a critical Cross-Site Request Forgery (CSRF) vulnerability affecting the Lukman Nakib Preloader Matrix up to version 2..1. This CSRF issue allows attackers to forge requests on behalf of authenticated users, potentially leading to unauthorized actions on user accounts. It is crucial for developers and administrators to update their instances of the Preloader Matrix to the latest version, ensure the proper implementation of server-side CSRF protections, and educate users about good security practices to minimize the risks associated with this vulnerability.


Published on: 11/18/2023 21:15:10 UTC
Last modified on: 11/24/2023 19:31:48 UTC