pentester.land· Apr 17, 2022· by vFlexo (@vflexo)

Full Account Takeover via Open Redirection

Target Program: -

🎯 Vulnerability: OAuth 2.0 / JWT Authentication Bypass

💡 Defense Fix: Strictly verify JWT signatures on the backend, enforce state parameter validation, and reject 'alg: none'.

#Open redirect#Token leak#Account takeover#OAuth