CVE-2021-4413 : Security Advisory and Response

A security vulnerability has been identified in the Process Steps Template Designer plugin for WordPress, allowing unauthenticated attackers to perform Cross-Site Request Forgery attacks up to version 1.2.1.

Understanding CVE-2021-4413

This CVE (Common Vulnerabilities and Exposures) identifier highlights a security issue within the Process Steps Template Designer WordPress plugin.

What is CVE-2021-4413?

The vulnerability in the Process Steps Template Designer plugin for WordPress allows unauthenticated attackers to manipulate field icons by tricking site administrators due to missing or incorrect nonce validation.

The Impact of CVE-2021-4413

The impact of this vulnerability is classified as MEDIUM severity with a CVSS base score of 4.3. Attackers can exploit this to forge requests and potentially perform unauthorized actions on the affected WordPress sites.

Technical Details of CVE-2021-4413

This section delves into the specifics of the vulnerability.

Vulnerability Description

The vulnerability lies in the improper nonce validation on the save() function, enabling attackers to save field icons using a forged request.

Affected Systems and Versions

The Process Steps Template Designer plugin for WordPress versions up to and including 1.2.1 are vulnerable to this exploit.

Exploitation Mechanism

Unauthenticated attackers can leverage this vulnerability by enticing site administrators to unintentionally trigger malicious actions, such as clicking on a crafted link.

Mitigation and Prevention

Protecting your WordPress site from CVE-2021-4413.

Immediate Steps to Take

Update the Process Steps Template Designer plugin to the latest version to patch the vulnerability.
Monitor your site for any suspicious activity or unauthorized changes.

Long-Term Security Practices

Educate site administrators about the risks of clicking on unidentified links.
Regularly review and update security plugins to prevent future vulnerabilities.

Patching and Updates

Stay informed about security updates for the Process Steps Template Designer plugin and apply patches promptly to ensure your WordPress site's security.