CVE-2023-4948 : Security Advisory and Response

This CVE-2023-4948 was published on September 14, 2023, by Wordfence. It involves a vulnerability in the WooCommerce CVR Payment Gateway plugin for WordPress, allowing unauthorized modification of data by authenticated attackers with contributor-level access and above.

Understanding CVE-2023-4948

This section provides an in-depth look into the details, impact, technical aspects, and mitigation strategies related to CVE-2023-4948.

What is CVE-2023-4948?

The vulnerability in CVE-2023-4948 stems from a missing capability check on the refresh_order_cvr_data AJAX action in the WooCommerce CVR Payment Gateway plugin for WordPress versions up to 6.1.0. This flaw enables authenticated attackers to alter CVR numbers for orders.

The Impact of CVE-2023-4948

With this vulnerability, attackers with contributor-level access and above can manipulate CVR numbers for orders, leading to potential data tampering and unauthorized changes within the affected system.

Technical Details of CVE-2023-4948

Here are the technical details regarding the specific aspects of this CVE:

Vulnerability Description

The vulnerability in the WooCommerce CVR Payment Gateway plugin allows for unauthorized modification of data due to the lack of a capability check on a specific AJAX action, potentially compromising the integrity of CVR numbers associated with orders.

Affected Systems and Versions

The WooCommerce CVR Payment Gateway plugin versions up to 6.1.0 are affected by this vulnerability, leaving systems utilizing these versions susceptible to unauthorized data modification.

Exploitation Mechanism

Attackers with contributor-level access and above can exploit this vulnerability by leveraging the missing capability check on the refresh_order_cvr_data AJAX action to manipulate CVR numbers for orders.

Mitigation and Prevention

Protecting systems from CVE-2023-4948 requires immediate action and long-term security practices to ensure robust defenses against potential threats.

Immediate Steps to Take

Update the WooCommerce CVR Payment Gateway plugin to version 6.1.1 or higher to patch the vulnerability.
Restrict access permissions to limit contributors' capabilities in modifying sensitive data within the plugin.

Long-Term Security Practices

Regularly monitor and audit user permissions and access levels to prevent unauthorized actions.
Stay informed about security updates and best practices for securing WordPress plugins to mitigate future vulnerabilities.

Patching and Updates

Install security patches and updates promptly to ensure the WooCommerce CVR Payment Gateway plugin is running the latest secure version, safeguarding against known vulnerabilities and potential exploits.