In this video, we cover the theory behind Cross-Origin Resource Sharing (CORS) vulnerabilities, how to find these types of vulnerabilities from both a white box and black box perspective, how to exploit them and how to prevent them. ▬ ✨ Support Me ✨ ▬▬▬▬▬▬▬▬▬▬ Buy my course: https://bit.ly/30LWAtE ▬ 📖 Contents of this video 📖 ▬▬▬▬▬▬▬▬▬▬ 00:00 - Introduction 00:31 - Web Security Academy Course (https://bit.ly/30LWAtE) 01:42 - Agenda 02:30 – What is a CORS vulnerability? 33:35 – How to find CORS vulnerabilities? 42:37 – How to exploit CORS vulnerabilities? 50:25 – How to prevent CORS vulnerabilities? 51:47 – Resources 52:00 - Thank You ▬ 🔗 Links 🔗 ▬▬▬▬▬▬▬▬▬▬ Video slides: https://github.com/rkhal101/Web-Security-Academy-Series/blob/main/cors/theory/CORS%20Complete%20Guide%20Theory%20Video%20Slides.pdf Web Security Academy: https://portswigger.net/web-security/cors Rana's Twitter account: https://twitter.com/rana__khalil Hacker Icons made by Freepik: https://www.freepik.com/