1. Web Security Academy
  2. Business logic vulnerabilities
  3. Examples
  4. Lab

Lab: Inconsistent handling of exceptional input


This lab doesn't adequately validate user input. You can exploit a logic flaw in its account registration process to gain access to administrative functionality. To solve the lab, access the admin panel and delete Carlos.

Register for free to track your learning progress

The benefits of working through PortSwigger's Web Security Academy
  • Practise exploiting vulnerabilities on realistic targets.

  • Record your progression from Apprentice to Expert.

  • See where you rank in our Hall of Fame.

Already got an account? Login here