CVE-2023-6902 : Vulnerability Insights and Analysis

This is a critical vulnerability found in codelyfe Stupid Simple CMS up to version 1.2.4, categorized as an unrestricted upload vulnerability in the 'upload.php' file.

Understanding CVE-2023-6902

This vulnerability allows for unrestricted upload in the Stupid Simple CMS by codelyfe, potentially leading to malicious file uploads and further exploitation.

What is CVE-2023-6902?

The vulnerability affects the 'upload.php' file in codelyfe Stupid Simple CMS versions up to 1.2.4, allowing attackers to upload files without any restrictions. It has been classified as critical due to the potential for exploitation.

The Impact of CVE-2023-6902

With this vulnerability, threat actors can upload malicious files, execute arbitrary code, compromise sensitive data, and potentially gain unauthorized access to the system running the affected CMS.

Technical Details of CVE-2023-6902

This section provides more insights into the nature of the vulnerability, the affected systems and versions, as well as how it can be exploited.

Vulnerability Description

The unrestricted upload vulnerability in codelyfe Stupid Simple CMS allows attackers to upload files of their choice, bypassing any security measures that would typically restrict file uploads.

Affected Systems and Versions

The vulnerability impacts codelyfe Stupid Simple CMS versions 1.2.0 to 1.2.4, exposing all instances running these versions to the risk of unauthorized file uploads.

Exploitation Mechanism

By manipulating the 'file' argument in the 'upload.php' file, threat actors can bypass upload restrictions and inject malicious files into the system, potentially leading to further attacks.

Mitigation and Prevention

To protect systems from CVE-2023-6902 and similar vulnerabilities, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Disable file uploads in the affected 'upload.php' file.
Implement input validation to restrict file types and sizes.
Monitor for any unauthorized file uploads on the system.

Long-Term Security Practices

Regularly update the CMS to the latest patched version.
Conduct security audits to identify and address vulnerabilities proactively.
Educate users and administrators on secure coding practices and file upload security.

Patching and Updates

Ensure timely installation of security patches and updates released by codelyfe for Stupid Simple CMS to address the unrestricted upload vulnerability and enhance overall system security.