Web Security
CORS Misconfiguration
Learn how misconfigured Cross-Origin Resource Sharing headers let any website silently steal authenticated user data from APIs.
Intermediate35 min7 lessons2 hands-on
First lesson free. The full module is part of Pro.
You'll be able to
- ✓Understand the CORS mechanism and when it is enforced
- ✓Identify misconfigured Access-Control-Allow-Origin headers
- ✓Exploit CORS to steal authenticated API responses from another origin
- ✓Recognise the difference between CORS misconfiguration and CSRF