CVE-2019-11807 : Vulnerability Insights and Analysis

A vulnerability in the WooCommerce Checkout Manager plugin for WordPress versions prior to 4.3 allows unauthorized deletion of media files.

Understanding CVE-2019-11807

The plugin vulnerability enables attackers to delete media files through a specific URL parameter.

What is CVE-2019-11807?

The WooCommerce Checkout Manager plugin, when used with WordPress versions before 4.3, lacks proper checks, allowing unauthorized deletion of media files.

The Impact of CVE-2019-11807

This vulnerability permits attackers to delete media files without proper authorization, potentially leading to data loss and website disruption.

Technical Details of CVE-2019-11807

The technical aspects of the vulnerability are outlined below:

Vulnerability Description

The issue arises from the absence of capabilities checks and the presence of a specific parameter in the plugin's URL.

Affected Systems and Versions

Plugin: WooCommerce Checkout Manager
Affected Versions: Prior to 4.3

Exploitation Mechanism

Attackers exploit the 'wccm_default_keys_load' parameter in the 'wp-admin/admin-ajax.php?action=update_attachment_wccm' URL to delete media files.

Mitigation and Prevention

To address CVE-2019-11807, consider the following steps:

Immediate Steps to Take

Update the WooCommerce Checkout Manager plugin to version 4.3 or higher.
Monitor media file deletions and investigate any unauthorized activities.

Long-Term Security Practices

Regularly update all WordPress plugins and themes to prevent vulnerabilities.
Implement access controls and user permissions to restrict file deletion capabilities.

Patching and Updates

Apply patches and updates provided by the plugin developer to fix the vulnerability and enhance security.