CVE-2021-24967 : Vulnerability Insights and Analysis

The Contact Form & Lead Form Elementor Builder WordPress plugin before 1.6.4 is vulnerable to unauthenticated stored Cross-Site Scripting (XSS) attacks, potentially allowing unauthorized users to execute malicious scripts.

Understanding CVE-2021-24967

This CVE details a security vulnerability in the Contact Form & Lead Form Elementor Builder WordPress plugin that could be exploited by unauthenticated users to perform XSS attacks on logged-in admins.

What is CVE-2021-24967?

The Contact Form & Lead Form Elementor Builder plugin, versions prior to 1.6.4, fail to properly sanitize and escape certain lead values, opening the door for unauthenticated users to inject malicious scripts.

The Impact of CVE-2021-24967

This vulnerability could be leveraged by attackers to execute arbitrary code in the context of the admin user, leading to potential data theft, account compromise, and other harmful activities.

Technical Details of CVE-2021-24967

This section delves into the specifics of the vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The flaw arises from the plugin's failure to sanitize and escape user-supplied input, enabling unauthenticated users to embed malicious scripts that are executed in the admin's browser.

Affected Systems and Versions

The Contact Form & Lead Form Elementor Builder plugin versions prior to 1.6.4 are impacted by this vulnerability, exposing websites to potential XSS attacks.

Exploitation Mechanism

Attackers can exploit this issue by submitting crafted input through the vulnerable plugin, leading to the execution of arbitrary scripts in the context of the admin user.

Mitigation and Prevention

To safeguard against CVE-2021-24967, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Website administrators are advised to update the Contact Form & Lead Form Elementor Builder plugin to version 1.6.4 or newer to mitigate the risk of unauthenticated stored XSS attacks.

Long-Term Security Practices

Implement input sanitization and validation practices, conduct regular security assessments, and ensure timely updates of all plugins and software to bolster your website's security posture.

Patching and Updates

Developers should prioritize addressing vulnerabilities promptly, releasing patches, and notifying users to install updates to protect against known security risks.