Exercises

Exercise Avg. Time Difficulty Solved by Tier
API 10
This exercise covers a common filter bypass in API.
< 1 Hr. medium 945 PRO
Java Code Review 03
This challenge covers the review of a simple codebase in Java
< 1 Hr. hard 282 PRO
Java Code Review 02
This challenge covers the review of a simple codebase in Java
< 1 Hr. hard 307 PRO
Java Code Review 01
This challenge covers the review of a simple codebase in Java
< 1 Hr. hard 309 PRO
CVE-2024-x730x
This challenge covers the review of a snippet of code written in Golang.
< 1 Hr. hard 142 PRO
CVE-2023-28XX9
This challenge covers the review of a CVE in a Golang codebase and its patch
< 1 Hr. hard 123 PRO
JSON Web Token XV: CVE-2022-39227 JWT
This exercise covers the exploitation of polyglot token against python_jwt (CVE-2022-39227)
< 1 Hr. hard 56 PRO
Python Code Review 07
This challenge covers the review of a simple codebase in Python
< 1 Hr. hard 192 PRO
Python Code Review 06
This challenge covers the review of a simple codebase in Python
hard 203 PRO
CVE-2023-5143X
This challenge covers the review of a CVE in a Java codebase and its patch
< 1 Hr. hard 295 PRO
CVE-2009-387X
This challenge covers the review of a CVE in a Java codebase and its patch
< 1 Hr. hard 337 PRO
CVE-2023-X48X9
This challenge covers the review of a CVE in a Java codebase and its patch
< 1 Hr. easy 215 PRO
Python Code Review 04
This challenge covers the review of a simple codebase in Python
< 1 Hr. hard 245 PRO
Python Code Review 09
This challenge covers the review of a simple codebase in Python
< 1 Hr. hard 196 PRO
Python Code Review 05
This challenge covers the review of a simple codebase in Python
< 1 Hr. hard 195 PRO
Python Code Review 01
This challenge covers the review of a simple codebase in Python
< 1 Hr. hard 329 PRO
Python Code Review 02
This challenge covers the review of a simple codebase in Python
< 1 Hr. hard 275 PRO
Python Code Review 03
This challenge covers the review of a simple codebase in Python
< 1 Hr. hard 253 PRO
CVE-2023-46XX2
This challenge covers the review of a CVE in a Java codebase and its patch
< 1 Hr. easy 193 PRO
CVE-2022-4x13x
This challenge covers the review of a CVE in a Java codebase and its patch
< 1 Hr. easy 187 PRO
GHSA-95XX
This challenge covers the review of a CVE in a Java codebase and its patch
< 1 Hr. easy 165 PRO
Java Serialize 06
This exercise is one of our challenges to help you learn Java Serialisation exploitation
2-4 Hr. hard 73 PRO
API 09
This exercise covers how one can inspect HTTP responses to identify information leaks.
< 1 Hr. medium 1075 PRO
Java Serialize 04
This exercise is one of our challenges to help you learn Java Serialisation exploitation
< 1 Hr. medium 137 PRO
Java Serialize 05
This exercise is one of our challenges to help you learn Java Serialisation exploitation
1-2 Hr. medium 97 PRO
Cache Poisoning 01
This exercise details how to exploit an application vulnerable to cache poisoning
< 1 Hr. medium 150 PRO
Cache Deception 02
This exercise details how to exploit an application vulnerable to cache deception
< 1 Hr. medium 144 PRO
CVE-2023-289X6
This challenge covers the review of a CVE in a Java codebase and its patch
< 1 Hr. easy 163 PRO
CVE-2023-350XX
This challenge covers the review of a CVE in a Java codebase and its patch
< 1 Hr. easy 187 PRO
CVE-2023-XXX83
This challenge covers the review of a CVE in a Java codebase and its patch
< 1 Hr. easy 183 PRO
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