CVE-2021-24208 : Security Advisory and Response
Discover the impact of CVE-2021-24208, a critical cross-site scripting (XSS) vulnerability in WP Page Builder plugin versions earlier than 1.2.4. Learn about the exploitation risk and mitigation steps.
A detailed overview of the CVE-2021-24208 vulnerability affecting WP Page Builder plugin versions prior to 1.2.4.
Understanding CVE-2021-24208
This CVE identifies a critical security flaw in WP Page Builder versions earlier than 1.2.4, allowing lower-privileged users to execute cross-site scripting attacks.
What is CVE-2021-24208?
The vulnerability in WP Page Builder plugin prior to version 1.2.4 enables unauthorized users to inject unfiltered HTML and malicious JavaScript via certain widgets, potentially compromising website security.
The Impact of CVE-2021-24208
Exploitation of this vulnerability may lead to cross-site scripting (XSS) attacks, allowing attackers to execute scripts in the context of an unsuspecting user's browser.
Technical Details of CVE-2021-24208
This section delves into the specifics of the vulnerability, its affected systems, and the exploitation mechanism.
Vulnerability Description
The flaw allows attackers to insert unfiltered HTML and JavaScript using “Raw HTML” and “Custom HTML” widgets during specific AJAX actions.
Affected Systems and Versions
WP Page Builder versions prior to 1.2.4 are impacted by this vulnerability, exposing websites to potential XSS attacks.
Exploitation Mechanism
By manipulating the “wppb_page_save” AJAX action with crafted requests, attackers can execute XSS attacks through the plugin's functionality.
Mitigation and Prevention
Explore the necessary steps to mitigate the risks associated with CVE-2021-24208 and prevent potential security breaches.
Immediate Steps to Take
Web administrators must update WP Page Builder to version 1.2.4 or newer to patch the vulnerability and protect against XSS attacks.
Long-Term Security Practices
Implement regular security audits, educate users about safe coding practices, and enforce least privilege access controls to enhance website security.
Patching and Updates
Stay informed about security patches released by WP Page Builder and promptly apply updates to shield your website from known vulnerabilities.