Exercises

Exercise Avg. Time Difficulty Solved by Tier
CVE-2024-2X31X
This challenge covers the review of a CVE in a Java codebase and its patch
< 1 Hr. hard 273 PRO
CVE-2023-5X38X
This challenge covers the review of a CVE in a Java codebase and its patch
< 1 Hr. hard 240 PRO
CVE-2022-0415
Exploit CVE-2022-0415 to gain code execution in Gogs
< 1 Hr. hard 27 PRO
Java Code Review 07
This challenge covers the review of a simple codebase in Java
< 1 Hr. hard 223 PRO
Java Code Review 08
This challenge covers the review of a simple codebase in Java
< 1 Hr. hard 231 PRO
Java Code Review 09
This challenge covers the review of a simple codebase in Java
< 1 Hr. hard 196 PRO
Puzzle 02 CSP XSS
Leverage a PHP trick to bypass CSP
< 1 Hr. hard 58 PRO
Puzzle 01
Find the XSS by leveraging backreferences in a regular expression
< 1 Hr. hard 93 PRO
API 15
This exercise covers how to exploit a leaked encrypted password with an API.
< 1 Hr. hard 705 PRO
API 14
This exercise covers how to exploit a leaked encrypted password with an API.
< 1 Hr. medium 803 PRO
API 13
This exercise covers a complex filter bypass in API.
< 1 Hr. hard 765 PRO
Java Code Review 04
This challenge covers the review of a simple codebase in Java
< 1 Hr. hard 257 PRO
Java Code Review 05
This challenge covers the review of a simple codebase in Java
< 1 Hr. hard 260 PRO
Java Code Review 06
This challenge covers the review of a simple codebase in Java
< 1 Hr. hard 254 PRO
API 12
This exercise covers a common filter bypass in API.
< 1 Hr. medium 855 PRO
API 11
This exercise covers a common filter bypass in API.
< 1 Hr. medium 897 PRO
API 10
This exercise covers a common filter bypass in API.
< 1 Hr. medium 967 PRO
Java Code Review 01
This challenge covers the review of a simple codebase in Java
< 1 Hr. hard 319 PRO
Java Code Review 02
This challenge covers the review of a simple codebase in Java
< 1 Hr. hard 316 PRO
Java Code Review 03
This challenge covers the review of a simple codebase in Java
< 1 Hr. hard 290 PRO
CVE-2023-28XX9
This challenge covers the review of a CVE in a Golang codebase and its patch
< 1 Hr. hard 131 PRO
CVE-2024-x730x
This challenge covers the review of a snippet of code written in Golang.
< 1 Hr. hard 150 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 58 PRO
Python Code Review 06
This challenge covers the review of a simple codebase in Python
hard 214 PRO
Python Code Review 07
This challenge covers the review of a simple codebase in Python
< 1 Hr. hard 203 PRO
CVE-2023-5143X
This challenge covers the review of a CVE in a Java codebase and its patch
< 1 Hr. hard 303 PRO
CVE-2023-X48X9
This challenge covers the review of a CVE in a Java codebase and its patch
< 1 Hr. easy 222 PRO
CVE-2009-387X
This challenge covers the review of a CVE in a Java codebase and its patch
< 1 Hr. hard 350 PRO
Python Code Review 04
This challenge covers the review of a simple codebase in Python
< 1 Hr. hard 256 PRO
Python Code Review 02
This challenge covers the review of a simple codebase in Python
< 1 Hr. hard 290 PRO
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Showing 271–300 of 851 exercises