CVE-2023-43872 : Vulnerability Insights and Analysis

A File upload vulnerability in CMSmadesimple v.2.2.18 allows a local attacker to upload a pdf file with hidden Cross Site Scripting (XSS).

Understanding CVE-2023-43872

This CVE involves a file upload vulnerability in CMSmadesimple v.2.2.18 that can be exploited by a local attacker to upload a PDF file containing hidden Cross Site Scripting (XSS) payload.

What is CVE-2023-43872?

CVE-2023-43872 is a security vulnerability in CMSmadesimple v.2.2.18 that enables an attacker to perform a file upload with embedded XSS, potentially leading to unauthorized script execution in the context of the user's browser.

The Impact of CVE-2023-43872

This vulnerability could allow an attacker to upload malicious files disguised as PDFs, leading to XSS attacks on unsuspecting users who open the files. It poses a risk of sensitive data exposure and compromise of user information.

Technical Details of CVE-2023-43872

This section provides a deeper insight into the vulnerability.

Vulnerability Description

The vulnerability lies in the file upload functionality of CMSmadesimple v.2.2.18, enabling the attacker to upload a PDF file with hidden XSS code.

Affected Systems and Versions

All instances running CMSmadesimple v.2.2.18 are affected by this vulnerability.

Exploitation Mechanism

An attacker with local access can exploit this issue by uploading a crafted PDF file containing malicious XSS payloads.

Mitigation and Prevention

To protect systems from CVE-2023-43872, certain steps should be taken.

Immediate Steps to Take

Update CMSmadesimple to the latest version or apply patches provided by the vendor.
Implement file upload restrictions to prevent the upload of potentially malicious files.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify and address vulnerabilities.
Educate users about the risks of opening files from untrusted sources.

Patching and Updates

Stay informed about security updates for CMSmadesimple and promptly apply patches to mitigate known vulnerabilities.