CVE-2021-24579 : Exploit Details and Defense Strategies
Discover the details of CVE-2021-24579, a PHP Object Injection vulnerability in Bold Page Builder plugin < 3.1.6 that could lead to Remote Code Execution. Learn mitigation steps here.
A detailed analysis of CVE-2021-24579, a vulnerability in the Bold Page Builder WordPress plugin before version 3.1.6 that could lead to PHP Object Injection.
Understanding CVE-2021-24579
This section will cover what CVE-2021-24579 entails and its potential impact.
What is CVE-2021-24579?
The bt_bb_get_grid AJAX action of the Bold Page Builder WordPress plugin before 3.1.6 allows user input to be passed into the unserialize() function without proper validation, posing a risk of PHP Object Injection.
The Impact of CVE-2021-24579
While the plugin lacks a gadget to fully exploit the vulnerability, other installed plugins on the blog could enable attackers to leverage this issue, potentially leading to Remote Code Execution (RCE) in certain scenarios.
Technical Details of CVE-2021-24579
Delve into the specific technical aspects of CVE-2021-24579 to understand how the vulnerability operates.
Vulnerability Description
The vulnerability lies in how user input is processed by the bt_bb_get_grid AJAX action, allowing malicious actors to perform PHP Object Injection.
Affected Systems and Versions
Bold Page Builder versions prior to 3.1.6 are affected by this vulnerability, putting websites at risk of exploitation.
Exploitation Mechanism
Attackers can exploit this flaw by injecting malicious PHP objects via user input, potentially leading to unauthorized code execution.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2021-24579 to enhance the security of your WordPress website.
Immediate Steps to Take
Promptly update the Bold Page Builder plugin to version 3.1.6 or higher to address this vulnerability and reduce the risk of exploitation.
Long-Term Security Practices
Implement security best practices such as regular plugin updates, code audits, and input validation to strengthen your website's defenses against similar threats.
Patching and Updates
Stay informed about security patches released by plugin developers and ensure timely application to safeguard your WordPress site from known vulnerabilities.