CORS Misconfigurations: How Hackers Steal Your Cookies?

🐍 Portfolio: https://portfolio.medusa0xf.com/ ✍️ Bug Bounty WriteUps:   / medusa0xf   CORS misconfigs are low‑effort, high‑reward bugs that let apps leak session data if ignored. I’ll show what these misconfigs actually do, real examples that make them dangerous, and how to spot them quickly. -------------------------------------------------------------------------------------------------------------------------------------------- 📱 Socials: X:   / medusa_0xf   Discord:   / discord   LinkedIn:   / insha-j-38b822225   Instagram:   / medusa_0xf   -------------------------------------------------------------------------------------------------------------------------------------------- Reports: https://hackerone.com/reports/426165 https://hackerone.com/reports/758785 https://0xn3va.gitbook.io/cheat-sheet... ------------------------------------------------------------------------------------------------------------------------------------------- Timestamp: Introduction: 0:00 What is Origin: 0:27 What is Same Origin: 0:52 Cross Origin and Headers: 1:29 Live Demo of Leaking Data: 2:48 Report 1: 7:58 Report 2: 11:53 Prelight & Cheatsheet: 13:41 Thoughts: 18:38 ------------------------------------------------------------------------------------------------------------------------------------------ Lukrembo - Spaceship Lukrembo - Apple tree Lukrembo - Flower Cup ©Music provided by DreamWave Kingdom© Watch the original movie here:    • 1983 SynthWave RetroWave [ No Copyright FR...   -------------------------------------------------------------------------------------------------------------------------------------------- #xss #bugbounty #pentesting #infosec #cybersecurity #websecurity #portswigger #DOMInvader #securityresearch #ethicalhacking #vulnerability #exploit #javascript #webhacking #bugbountytips #reportwriting #zeroday #cve #idor #xss #oauth #chatgpt #owasp #owasptop10 #ssrf #recon #ethicalhacking #portswigger #owasp #bugbounty #cve #cybersecurity #graphql #apihacking #developer #hackerone #jwt #api #subdomain #portswigger #bugbounty #bola #postman #podcast #pentesting #api #hack #bola #tryhackme #hackerone