CVE-2021-4355 : What You Need to Know

A detailed analysis of CVE-2021-4355, a vulnerability in the Welcart e-Commerce plugin for WordPress that allows unauthenticated attackers to bypass authorization checks and download sensitive information.

Understanding CVE-2021-4355

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-4355.

What is CVE-2021-4355?

The Welcart e-Commerce plugin for WordPress is vulnerable to an authorization bypass, enabling unauthenticated attackers to download lists of members, products, and orders due to missing capability checks.

The Impact of CVE-2021-4355

The vulnerability affects versions up to and including 2.2.7 of the Welcart e-Commerce plugin for WordPress, potentially exposing sensitive data to unauthorized individuals.

Technical Details of CVE-2021-4355

This section delves into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The flaw in the Welcart e-Commerce plugin allows unauthenticated attackers to exploit the download_orderdetail_list(), change_orderlist(), and download_member_list() functions via admin_init hooks, leading to unauthorized downloads of sensitive information.

Affected Systems and Versions

The vulnerability impacts Welcart e-Commerce plugin versions up to and including 2.2.7.

Exploitation Mechanism

By leveraging the missing capability checks, attackers can manipulate the mentioned functions to access and download confidential data.

Mitigation and Prevention

Discover the immediate steps to secure your system and long-term security practices to safeguard against CVE-2021-4355.

Immediate Steps to Take

Website administrators should promptly update the Welcart e-Commerce plugin to version 2.2.8 or higher to mitigate the authorization bypass vulnerability.

Long-Term Security Practices

Implement robust access controls, monitor plugin updates regularly, and conduct security audits to prevent unauthorized access to sensitive information.

Patching and Updates

Stay current with security patches and software updates to address vulnerabilities and enhance the overall security posture of your WordPress website.