CVE-2021-24493 : Security Advisory and Response
Learn about the CVE-2021-24493 vulnerability affecting Shopp eCommerce plugin versions up to 1.4, allowing unauthenticated users to upload malicious files and potentially execute arbitrary code.
A vulnerability has been identified in the Shopp WordPress plugin version 1.4 and below that allows unauthenticated users to upload malicious files, potentially leading to Remote Code Execution (RCE). Learn more about this security issue and how to mitigate it.
Understanding CVE-2021-24493
This section delves into the details of the CVE-2021-24493 vulnerability affecting Shopp eCommerce version 1.4 and prior.
What is CVE-2021-24493?
The CVE-2021-24493 vulnerability in Shopp eCommerce allows both authenticated and unauthenticated users to upload harmful files like PHP without any security checks, opening the door to potential RCE attacks.
The Impact of CVE-2021-24493
The lack of security measures in the shopp_upload_file AJAX action of Shopp WordPress plugin version 1.4 enables attackers to upload malicious files and execute arbitrary code, posing a severe risk of RCE exploitation.
Technical Details of CVE-2021-24493
Get insights into the technical aspects surrounding CVE-2021-24493 in this section.
Vulnerability Description
The vulnerability arises from the absence of file upload restrictions in Shopp eCommerce version 1.4 and earlier, enabling unauthenticated users to upload dangerous files like PHP.
Affected Systems and Versions
Shopp eCommerce versions up to 1.4 are impacted by this security flaw, leaving websites using these versions susceptible to file upload attacks.
Exploitation Mechanism
By leveraging the shopp_upload_file AJAX action, malicious actors can upload files containing executable code, potentially leading to RCE instances.
Mitigation and Prevention
Discover the steps to mitigate the risks associated with CVE-2021-24493 and enhance the security of your Shopp eCommerce installation.
Immediate Steps to Take
To safeguard your system, update Shopp eCommerce to a secure version, restrict file uploads, and monitor file uploads for suspicious activity.
Long-Term Security Practices
Establish file upload restrictions, implement regular security audits, and educate users on safe file handling practices to fortify your website's defenses.
Patching and Updates
Stay informed about security patches released by the Shopp eCommerce plugin, apply updates promptly, and maintain proactive security measures to prevent future vulnerabilities.