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Exercises

Exercise Avg. Time Difficulty Solved by Tier
API Payments 05
This exercise covers how to abuse a shopping cart allowing users to apply a voucher.
 < 1 Hr. hard 940 PRO
XSL PHP II
This exercise covers the exploitation of a PHP application using XSL
< 1 Hr. medium 243 PRO
API Payments 04
This exercise covers how to abuse a shopping cart allowing users to apply a voucher..
 < 1 Hr. medium 1255 PRO
XSL PHP
This exercise covers the exploitation of a PHP application using XSL
< 1 Hr. medium 287 PRO
API Payments 03
This exercise covers a simple payments bypass.
 < 1 Hr. medium 1366 PRO
CVE-2020-13xxx
This challenge covers the review of a CVE and its patch
 < 1 Hr. medium 695 PRO
Code Review 18
This exercise is one of our challenges to help you learn how to review real source code
 1-2 Hr. medium 406 PRO
CVE-2022-3x7x1
This challenge covers the review of a CVE and its patch
 < 1 Hr. easy 792 PRO
CVE-2008-5x8x
This challenge covers the review of a CVE and its patch
 < 1 Hr. easy 865 PRO
Python Snippet #02
This challenge covers the review of a snippet of code written in Python
 < 1 Hr. easy 2092 PRO
Java Snippet #12
This challenge covers the review of a snippet of code written in Java
 < 1 Hr. easy 1395 PRO
Java Snippet #11
This challenge covers the review of a snippet of code written in Java
 < 1 Hr. easy 1442 PRO
Java Snippet #10
This challenge covers the review of a snippet of code written in Java
 < 1 Hr. easy 1546 PRO
API Payments 02
This exercise covers a simple payments bypass.
 < 1 Hr. medium 1533 PRO
GCM Nonce Reuse
This challenge covers the impact of nonce reuse on GCM
 < 1 Hr. medium 189 PRO
CVE-2019-5x2x
This challenge covers the review of a CVE and its patch
 < 1 Hr. medium 634 PRO
Java Snippet #09
This challenge covers the review of a snippet of code written in Java
 < 1 Hr. medium 1413 PRO
Java Snippet #08
This challenge covers the review of a snippet of code written in Java
 < 1 Hr. easy 1789 PRO
Java Snippet #07
This challenge covers the review of a snippet of code written in Java
 < 1 Hr. easy 1774 PRO
API Payments 01 API
This exercise covers a simple payments bypass.
 < 1 Hr. easy 2031 PRO
CVE-2022-26xx9
This challenge covers a vulnerable snippet in a real Java application
 < 1 Hr. medium 649 PRO
Python Snippet #08
This challenge covers the review of a snippet of code written in Python
 < 1 Hr. easy 1640 PRO
Python Snippet #09
This challenge covers the review of a snippet of code written in Python
 < 1 Hr. easy 1861 PRO
Python Snippet #07
This challenge covers the review of a snippet of code written in Python
 < 1 Hr. easy 1726 PRO
Mongo IDOR
This challenge covers how to exploit an IDOR when Mongo IDs are used
< 1 Hr. medium 1216 PRO
CVE-2005-2x8x
This challenge covers the review of a CVE and its patch
 < 1 Hr. hard 663 PRO
CVE-2008-5x8x_ii
This challenge covers the review of a CVE and its patch
 < 1 Hr. medium 664 PRO
Java Snippet #06
This challenge covers the review of a snippet of code written in Java
 < 1 Hr. medium 1438 PRO
Python Snippet #06
This challenge covers the review of a snippet of code written in Python
 < 1 Hr. easy 1861 PRO
Golang Snippet #01
This challenge covers the review of a snippet of code written in Golang
 < 1 Hr. easy 1833 PRO
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Showing 271–300 of 753 exercises