CVE-2021-42363 : Security Advisory and Response
Learn about CVE-2021-42363, a Reflected Cross-Site Scripting vulnerability in Preview E-Mails for WooCommerce plugin <= 1.6.8. Find out impacts, affected versions, and mitigation steps.
Preview E-Mails for WooCommerce <= 1.6.8 plugin is vulnerable to Reflected Cross-Site Scripting, allowing attackers to inject arbitrary web scripts.
Understanding CVE-2021-42363
What is CVE-2021-42363?
The CVE-2021-42363 vulnerability is a Reflected Cross-Site Scripting (XSS) issue in the Preview E-Mails for WooCommerce plugin up to version 1.6.8. Attackers can exploit this to execute malicious scripts.
The Impact of CVE-2021-42363
This vulnerability allows attackers to inject harmful scripts, compromising user data and potentially leading to unauthorized access or actions on vulnerable systems.
Technical Details of CVE-2021-42363
Vulnerability Description
The vulnerability exists in the search_order parameter in the ~/views/form.php file of the plugin, enabling attackers to inject and execute arbitrary web scripts.
Affected Systems and Versions
- Product: Preview E-Mails for WooCommerce
- Vendor: Preview E-Mails for WooCommerce
- Vulnerable Versions: <= 1.6.8
Exploitation Mechanism
- Attack Complexity: LOW
- Attack Vector: NETWORK
- Privileges Required: NONE
- User Interaction: REQUIRED
- Scope: CHANGED
- CVSS Score: 6.1 (Medium)
Mitigation and Prevention
Immediate Steps to Take
- Update the plugin to version 2.0.0 or newer immediately.
Long-Term Security Practices
- Regularly monitor for security advisories and updates for all installed plugins.
- Implement web application firewalls and security plugins to enhance protection.
Patching and Updates
Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities.