CVE-2021-24660 : What You Need to Know
Discover the Stored Cross-Site Scripting (XSS) vulnerability in PostX Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10, allowing attacker access. Learn how to prevent exploitation.
A Stored Cross-Site Scripting vulnerability exists in the PostX - Gutenberg Blocks for Post Grid WordPress plugin before version 2.4.10. This allows users with low-level roles like Contributor to launch XSS attacks.
Understanding CVE-2021-24660
This CVE pertains to a security issue in the PostX - Gutenberg Blocks for Post Grid WordPress plugin.
What is CVE-2021-24660?
The vulnerability in the PostX - Gutenberg Blocks for Post Grid WordPress plugin before version 2.4.10 enables users with limited access to execute Stored Cross-Site Scripting attacks.
The Impact of CVE-2021-24660
The impact of this vulnerability is significant as it allows attackers with minimal permissions to inject malicious scripts into the plugin's shortcode, potentially compromising the website's security.
Technical Details of CVE-2021-24660
This section outlines specific technical details of the CVE.
Vulnerability Description
The Stored Cross-Site Scripting vulnerability in the PostX - Gutenberg Blocks for Post Grid WordPress plugin before version 2.4.10 permits Contributors and similar roles to carry out XSS attacks through the plugin's shortcode function.
Affected Systems and Versions
PostX - Gutenberg Blocks for Post Grid WordPress plugin versions prior to 2.4.10 are affected by this CVE when used with the Saved Templates Addon.
Exploitation Mechanism
The vulnerability can be exploited by users with low-level roles leveraging the functionality of the Saved Templates Addon to inject malicious scripts via the plugin's shortcode.
Mitigation and Prevention
Discover how you can mitigate the risks associated with CVE-2021-24660.
Immediate Steps to Take
Website administrators should promptly update the PostX - Gutenberg Blocks for Post Grid plugin to version 2.4.10 or higher to eliminate this vulnerability.
Long-Term Security Practices
Implementing the principle of least privilege and regular security audits can help prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security patches and updates for the PostX - Gutenberg Blocks for Post Grid plugin to ensure ongoing protection against potential threats.