CVE-2021-24448 : Security Advisory and Response

A detailed overview of CVE-2021-24448, a vulnerability found in the User Registration & User Profile – Profile Builder WordPress plugin before version 3.4.8, leading to an authenticated stored Cross-Site Scripting issue.

Understanding CVE-2021-24448

This section provides insights into the nature and impact of the CVE-2021-24448 vulnerability.

What is CVE-2021-24448?

The User Registration & User Profile – Profile Builder WordPress plugin before version 3.4.8 fails to properly sanitize the 'Modify default Redirect Delay timer' setting, enabling high-privileged users to insert JavaScript code even when the unfiltered_html capability is disabled. This loophole results in an authenticated stored Cross-Site Scripting (XSS) problem.

The Impact of CVE-2021-24448

The exploitation of this vulnerability allows attackers with higher privileges to execute malicious JavaScript code in the affected setting, potentially compromising user data and breaching the security of the WordPress site.

Technical Details of CVE-2021-24448

Exploring the specifics of the CVE-2021-24448 vulnerability to gain a deeper understanding of its implications.

Vulnerability Description

The issue arises due to the lack of sufficient sanitization in the 'Modify default Redirect Delay timer' setting, which empowers authorized users to inject harmful JavaScript code.

Affected Systems and Versions

The vulnerability affects versions of the User Registration & User Profile – Profile Builder WordPress plugin prior to version 3.4.8.

Exploitation Mechanism

By leveraging this vulnerability, malicious actors can execute arbitrary JavaScript code within the affected setting, potentially leading to Cross-Site Scripting attacks.

Mitigation and Prevention

Guidelines on mitigating and preventing the exploitation of CVE-2021-24448 for enhanced security measures.

Immediate Steps to Take

Website administrators should promptly update the affected User Registration & User Profile – Profile Builder plugin to version 3.4.8 or newer to patch the vulnerability.

Long-Term Security Practices

Implement regular security audits and ensure that all third-party plugins and themes are up-to-date to reduce the risk of similar vulnerabilities.

Patching and Updates

Stay informed about security patches and updates released by the plugin vendor to address potential vulnerabilities and enhance the overall security posture of the WordPress site.