Exercises

Exercise Avg. Time Difficulty Solved by Tier
API Mass-Assignment 03 < 1 Hr. medium 368 PRO
API Mass-Assignment 01 < 1 Hr. medium 425 PRO
API Mass-Assignment 02 < 1 Hr. medium 400 PRO
API JWT REVOCATION JWT
This exercise covers how to bypass a weak JWT Revocation Mechanism.
< 1 Hr. easy 413 PRO
API 20
This exercise covers how to exploit an authorization issue in an API.
< 1 Hr. medium 466 PRO
API 19
This exercise covers how to exploit an authorization issue in an API.
< 1 Hr. medium 486 PRO
API 18
This exercise covers how to exploit an authorization issue in an API.
< 1 Hr. medium 497 PRO
API 17
This exercise covers how to exploit an authorization issue in an API.
< 1 Hr. medium 408 PRO
API 16
This exercise covers how to exploit an authorization issue in an API.
< 1 Hr. medium 438 PRO
API 15
This exercise covers how to exploit a leaked encrypted password with an API.
< 1 Hr. hard 572 PRO
API 13
This exercise covers a complex filter bypass in API.
< 1 Hr. hard 572 PRO
API 14
This exercise covers how to exploit a leaked encrypted password with an API.
< 1 Hr. medium 656 PRO
API 12
This exercise covers a common filter bypass in API.
< 1 Hr. medium 639 PRO
API 11
This exercise covers a common filter bypass in API.
< 1 Hr. medium 675 PRO
API 10
This exercise covers a common filter bypass in API.
< 1 Hr. medium 739 PRO
API 09
This exercise covers how one can inspect HTTP responses to identify information leaks.
< 1 Hr. medium 875 PRO
API Payments 07
This exercise covers a way to manipulate a shopping cart to lower the total amount
< 1 Hr. medium 897 PRO
API Payments 06
This exercise covers a simple payments bypass.
< 1 Hr. medium 931 PRO
API Payments 05
This exercise covers how to abuse a shopping cart allowing users to apply a voucher.
< 1 Hr. hard 888 PRO
API Payments 04
This exercise covers how to abuse a shopping cart allowing users to apply a voucher..
< 1 Hr. medium 1189 PRO
API Payments 03
This exercise covers a simple payments bypass.
< 1 Hr. medium 1296 PRO
API Payments 02
This exercise covers a simple payments bypass.
< 1 Hr. medium 1460 PRO
API Payments 01 API
This exercise covers a simple payments bypass.
< 1 Hr. easy 1894 PRO
API 08
This exercise covers how one can inspect HTTP responses to identify information leaks.
< 1 Hr. medium 1677 PRO
API 07 API Angular
This exercise covers how one can inspect JavaScript code to identify information leak.
< 1 Hr. medium 1847 PRO
API 06 API Angular
This exercise covers how one can inspect JavaScript code to identify unused endpoints.
< 1 Hr. easy 1980 PRO
API 05 API Angular
This exercise covers how one can inspect JavaScript code to identify unused endpoints.
< 1 Hr. easy 2288 PRO
API 04 API Angular
This exercise covers how one can inspect JavaScript code to identify unused endpoints.
< 1 Hr. easy 2480 PRO
API 03 API
This exercise is the API version of an exercise you already solved in another badge. You should use it to get more confident with discovering vulnerabilities without any hint on what to look for.
< 1 Hr. easy 2449 PRO
API 02 API
This exercise is the API version of an exercise you already solved in another badge. You should use it to get more confident with discovering vulnerabilities without any hint on what to look for.
< 1 Hr. easy 3010 PRO
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Showing 1–30 of 32 exercises