CVE-2019-14794 : Exploit Details and Defense Strategies

The Meta Box plugin, prior to version 4.16.2, has a flaw when it comes to handling file uploads to customized directories.

Understanding CVE-2019-14794

The Meta Box plugin for WordPress has a vulnerability related to file uploads to custom folders.

What is CVE-2019-14794?

The Meta Box plugin before version 4.16.2 for WordPress mishandles the uploading of files to custom folders.

The Impact of CVE-2019-14794

This vulnerability could potentially allow an attacker to upload malicious files to unauthorized directories, leading to arbitrary code execution or unauthorized access to sensitive information.

Technical Details of CVE-2019-14794

The technical aspects of the CVE-2019-14794 vulnerability.

Vulnerability Description

The Meta Box plugin does not properly handle file uploads to customized directories, which can be exploited by attackers.

Affected Systems and Versions

Product: Meta Box plugin
Vendor: N/A
Versions affected: All versions prior to 4.16.2

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading malicious files to directories not intended for file storage, potentially leading to unauthorized access or code execution.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2019-14794.

Immediate Steps to Take

Update the Meta Box plugin to version 4.16.2 or newer to patch the vulnerability.
Restrict file upload permissions to trusted users only.
Monitor file upload activities for any suspicious behavior.

Long-Term Security Practices

Regularly update plugins and software to the latest versions.
Implement file upload restrictions and security measures to prevent unauthorized uploads.

Patching and Updates

Ensure timely installation of security patches and updates for the Meta Box plugin to address known vulnerabilities.