This modification designed for enhancing the security of cookies, specifically in the context of OpenCart, an online store management system. This extension ensures that all cookies, including the PHPSESSID session cookie, are flagged securely under HTTPS, aligning with the requirements of PCI DSS scanners. The description emphasizes the importance of testing the extension in a controlled environment and offers quick support in case any issues arise.

This kind of extension is crucial for online retailers and e-commerce platforms that handle sensitive customer data, as it helps in maintaining the security and integrity of user sessions and personal information, complying with industry standards like PCI DSS (Payment Card Industry Data Security Standard). The mention of a test area suggests a best practice in software deployment, where changes are first implemented in a non-production environment to ensure they don't disrupt live operations.