CVE-2023-4536 Explained : Impact and Mitigation

This CVE-2023-4536 was assigned by WPScan and was published on January 16, 2024. The vulnerability is related to My Account Page Editor plugin version less than 1.3.2, allowing arbitrary file upload by authenticated users, potentially leading to Remote Code Execution (RCE).

Understanding CVE-2023-4536

This section will delve into the specifics of CVE-2023-4536, shedding light on what it entails and its potential impact.

What is CVE-2023-4536?

The CVE-2023-4536 vulnerability is attributed to the My Account Page Editor WordPress plugin version prior to 1.3.2. It stems from inadequate validation of profile pictures uploaded by users, enabling authenticated individuals like subscribers to upload malicious files to the server, opening doors to potential RCE attacks.

The Impact of CVE-2023-4536

The impact of CVE-2023-4536 can be severe, as it allows unauthorized users to upload arbitrary files, facilitating the execution of malicious code on the server. This could compromise the integrity and security of the website, leading to data breaches and other cyber threats.

Technical Details of CVE-2023-4536

In this section, we will explore the technical aspects of CVE-2023-4536, including the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in the My Account Page Editor plugin before version 1.3.2 arises from its failure to properly validate profile picture uploads. This flaw enables authenticated users, such as subscribers, to upload any files to the server, potentially resulting in RCE.

Affected Systems and Versions

The My Account Page Editor plugin versions prior to 1.3.2 are affected by CVE-2023-4536. Users utilizing versions older than 1.3.2 are at risk of exploitation due to the identified vulnerability.

Exploitation Mechanism

Exploiting CVE-2023-4536 involves authenticated users, particularly subscribers, uploading malicious files in the guise of profile pictures. By circumventing file validation checks, threat actors can execute arbitrary code on the server, compromising its security.

Mitigation and Prevention

To safeguard systems from the risks associated with CVE-2023-4536, prompt actions and security measures are crucial. Here are some recommendations for mitigation and prevention:

Immediate Steps to Take

Disable the My Account Page Editor plugin if you are using a version less than 1.3.2.
Implement strict file upload validation mechanisms to prevent unauthorized uploads.
Regularly monitor and audit user-uploaded files for suspicious content.

Long-Term Security Practices

Keep plugins and software up to date to ensure the latest security patches are applied.
Educate users on secure upload practices and potential risks associated with file uploads.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Ensure that you update the My Account Page Editor plugin to version 1.3.2 or newer to mitigate the vulnerability associated with CVE-2023-4536. Regularly check for plugin updates and apply patches promptly to enhance system security.