CVE-2021-24659 : Exploit Details and Defense Strategies
Discover the impact of CVE-2021-24659 on PostX Gutenberg Blocks for Post Grid WordPress plugin. Learn about the vulnerability, affected versions, exploitation risk, and mitigation steps.
The PostX – Gutenberg Blocks for Post Grid WordPress plugin before version 2.4.10 is vulnerable to Stored Cross-Site Scripting attacks, allowing users with low roles to exploit the plugin's block.
Understanding CVE-2021-24659
This CVE identifies a security issue in the PostX – Gutenberg Blocks for Post Grid WordPress plugin that enables Contributors or higher roles to execute Stored Cross-Site Scripting attacks.
What is CVE-2021-24659?
The CVE-2021-24659 vulnerability exists in the affected versions of the PostX – Gutenberg Blocks for Post Grid WordPress plugin, enabling low-privileged users to conduct harmful Stored Cross-Site Scripting attacks.
The Impact of CVE-2021-24659
With this vulnerability, attackers with limited access rights can inject malicious scripts into the plugin, leading to potential data theft, unauthorized access, and other malicious activities.
Technical Details of CVE-2021-24659
The following technical details outline the vulnerability in the PostX – Gutenberg Blocks for Post Grid plugin:
Vulnerability Description
The vulnerability allows users with roles as low as Contributor to perform Stored Cross-Site Scripting attacks by exploiting the plugin's block.
Affected Systems and Versions
The PostX – Gutenberg Blocks for Post Grid WordPress plugin versions earlier than 2.4.10 are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by inserting malicious scripts through the compromised plugin's block, posing a significant security risk.
Mitigation and Prevention
To safeguard your system from CVE-2021-24659, consider the following mitigation strategies:
Immediate Steps to Take
Update the PostX – Gutenberg Blocks for Post Grid plugin to version 2.4.10 or later to eliminate the vulnerability and enhance security.
Long-Term Security Practices
Regularly monitor and update all WordPress plugins and themes to prevent potential vulnerabilities and enhance overall security posture.
Patching and Updates
Stay informed about security patches and updates released by the plugin vendor to address vulnerabilities promptly and ensure a secure WordPress environment.