CVE-2021-4347 : Vulnerability Insights and Analysis

A critical vulnerability, CVE-2021-4347, has been identified in the plugin 'Advanced Shipment Tracking for WooCommerce' up to version 3.2.6, allowing authenticated users to perform arbitrary options updates, posing a severe risk to WordPress installations.

Understanding CVE-2021-4347

This section will delve into the details surrounding CVE-2021-4347, including its impact and technical aspects.

What is CVE-2021-4347?

The function

update_shipment_status_email_status_fun

in the plugin allows attackers, even at the customer level, to update any WordPress option in the database, leading to unauthorized modification of critical settings.

The Impact of CVE-2021-4347

The vulnerability permits authenticated attackers to manipulate WordPress options, potentially resulting in privilege escalation, data breaches, or complete WordPress site compromise.

Technical Details of CVE-2021-4347

To better understand CVE-2021-4347, let's explore the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The flaw enables unauthorized users to update WordPress options, exposing sites to severe security risks such as data tampering, information leakage, and site takeover.

Affected Systems and Versions

Vendor: zorem
Product: Advanced Shipment Tracking for WooCommerce
Vulnerable Versions: Up to 3.2.6

Exploitation Mechanism

Attackers with authenticated access can utilize the vulnerable function to manipulate WordPress options, potentially leading to unauthorized system control.

Mitigation and Prevention

Protect your WordPress site from CVE-2021-4347 by taking immediate action and implementing long-term security measures.

Immediate Steps to Take

Disable or uninstall the 'Advanced Shipment Tracking for WooCommerce' plugin if running an affected version.
Monitor for any unauthorized changes and review recent modifications in WordPress options.

Long-Term Security Practices

Regularly update plugins and themes to patch security vulnerabilities.
Implement strict access controls and user permissions to mitigate the risk of unauthorized changes.

Patching and Updates

Stay informed about security updates for the 'Advanced Shipment Tracking for WooCommerce' plugin and apply patches promptly to safeguard your WordPress site.