CVE-2021-24620 : What You Need to Know
Learn about CVE-2021-24620 affecting WordPress Simple Ecommerce Shopping Cart Plugin version 2.2.5. Understand the impact, technical details, and mitigation strategies to prevent arbitrary file upload and RCE attacks.
WordPress Simple Ecommerce Shopping Cart Plugin- Sell products through Paypal version 2.2.5 allows for arbitrary file upload, posing significant security risks.
Understanding CVE-2021-24620
This CVE identifies a vulnerability in the Simple eCommerce plugin up to version 2.2.5, enabling attackers to upload malicious PHP files without proper validation.
What is CVE-2021-24620?
The vulnerability in the plugin allows uploaded files to bypass validation, potentially leading to Remote Code Execution (RCE) attacks. Attackers can coerce logged admins to upload harmful PHP files.
The Impact of CVE-2021-24620
The lack of file type validation in versions up to 2.2.5 allows threat actors to upload malicious files, compromising the security and integrity of the WordPress site.
Technical Details of CVE-2021-24620
The vulnerability description, affected systems, and the exploitation mechanism provide essential insights into mitigating the risks.
Vulnerability Description
Simple eCommerce plugin up to version 2.2.5 fails to validate uploaded Downloadable Digital product files, enabling any file, including PHP, to be uploaded.
Affected Systems and Versions
The CVE affects WordPress sites with the Simple Ecommerce Shopping Cart Plugin versions up to 2.2.5.
Exploitation Mechanism
Without CSRF protection, attackers can manipulate admin users into uploading PHP files, which may result in RCE.
Mitigation and Prevention
Taking immediate steps and adopting proactive security measures is crucial to safeguard WordPress sites from such vulnerabilities.
Immediate Steps to Take
Admins should disable the affected plugin version, restrict file uploads, and closely monitor admin activities to prevent unauthorized file uploads.
Long-Term Security Practices
Regularly update plugins, enforce secure coding practices, and implement file upload restrictions to mitigate the risk of arbitrary file uploads.
Patching and Updates
Developers should release patches promptly to address the vulnerability in the Simple eCommerce plugin and encourage users to update to secure versions.