pentester.land· Jun 7, 2023· by Mizu (@kevin_mizu)

Abusing Client-Side Desync on Werkzeug

Target Program: Werzeug

🎯 Vulnerability: Cross-Site Scripting (XSS)

💡 Defense Fix: Enforce Context-Aware Output Encoding, strict Content-Security-Policy (CSP), and HttpOnly cookie flags.

#Client-Side Desync attack#HTTP request smuggling#Account takeover#Open redirect#XSS