CVE-2021-4395 : What You Need to Know

A detailed look into CVE-2021-4395, a vulnerability impacting the Abandoned Cart Recovery for WooCommerce plugin for WordPress.

Understanding CVE-2021-4395

In this section, we will explore the nature and implications of the CVE-2021-4395 vulnerability.

What is CVE-2021-4395?

The Abandoned Cart Recovery for WooCommerce plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.0.4. The issue arises from missing or incorrect nonce validation on specific functions, potentially allowing unauthenticated attackers to perform read-only actions through forged requests.

The Impact of CVE-2021-4395

The vulnerability poses a medium risk, with a CVSS v3.1 base score of 4.3 (Medium severity). Attackers could exploit this flaw to trick site administrators into executing unintended actions, leading to unauthorized access and potential data exposure.

Technical Details of CVE-2021-4395

Let's delve deeper into the technical aspects of CVE-2021-4395.

Vulnerability Description

The vulnerability stems from inadequate nonce validation on the get_items() and extra_tablenav() functions, enabling attackers to craft malicious requests and perform unauthorized read-only actions.

Affected Systems and Versions

The Abandoned Cart Recovery for WooCommerce plugin versions up to 1.0.4 are susceptible to this vulnerability.

Exploitation Mechanism

By manipulating nonces and tricking site administrators into interacting with specially crafted requests, attackers can exploit this vulnerability to carry out unauthorized actions.

Mitigation and Prevention

Discover how to address and safeguard against the CVE-2021-4395 vulnerability.

Immediate Steps to Take

Site administrators should update the Abandoned Cart Recovery for WooCommerce plugin to version 1.0.5 or later to mitigate the CSRF vulnerability. Additionally, implement strong authentication mechanisms and educate users on identifying suspicious links or requests.

Long-Term Security Practices

Establish a robust security posture by regularly updating plugins, employing strong CSRF protection mechanisms, and conducting security audits to detect and remediate vulnerabilities promptly.

Patching and Updates

Stay informed about security patches and updates released by the plugin vendor to address vulnerabilities and enhance the security of your WordPress environment.