Fake orders on wordpress website

We are seeking an experienced WordPress developer to address an ongoing issue with fraudulent orders on our e-commerce platform. Specifically, we are encountering persistent fake orders for a particular product, despite implementing CAPTCHA and changing the URL. The goal is to identify and rectify the vulnerabilities in our system that allow these unauthorized transactions to occur. The ideal candidate will possess a strong background in e-commerce security and be adept at troubleshooting WordPress-related issues. Your expertise is crucial to safeguarding our website and ensuring a seamless user experience.