CVE-2021-24323 : Security Advisory and Response
Learn about CVE-2021-24323, an authenticated cross-site scripting vulnerability in WooCommerce < 5.2.0. Understand the impact, affected versions, and mitigation steps.
A detailed overview of CVE-2021-24323, a vulnerability in WooCommerce plugin that allows authenticated users to carry out cross-site scripting attacks.
Understanding CVE-2021-24323
This section explains the impact and technical details of the WooCommerce vulnerability.
What is CVE-2021-24323?
The vulnerability in WooCommerce (less than version 5.2.0) allows privileged users to execute cross-site scripting attacks via the 'Additional tax classes' field in the admin dashboard.
The Impact of CVE-2021-24323
High privilege users, like admins, can inject malicious XSS payloads even when unfiltered_html is disabled, compromising the security of the WooCommerce plugin.
Technical Details of CVE-2021-24323
Details on the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The issue arises from the lack of proper sanitization in the 'Additional tax classes' field, leading to XSS payloads execution.
Affected Systems and Versions
WooCommerce versions prior to 5.2.0 are impacted, leaving them vulnerable to this authenticated stored XSS exploit.
Exploitation Mechanism
Attackers with admin or high privilege access can use specially crafted payloads in the 'Additional tax classes' field to inject malicious scripts.
Mitigation and Prevention
Best practices to mitigate the CVE-2021-24323 vulnerability and prevent such exploits.
Immediate Steps to Take
Users should update WooCommerce to version 5.2.0 or above to patch the vulnerability and prevent XSS attacks.
Long-Term Security Practices
Regularly update plugins, employ content security policies, and restrict admin privileges to minimize the risk of XSS attacks.
Patching and Updates
Stay informed about security updates and apply patches promptly to ensure the safety and integrity of the WooCommerce installation.