Exercises

Exercise Avg. Time Difficulty Solved by Tier
API Payments 07
This exercise covers a way to manipulate a shopping cart to lower the total amount
< 1 Hr. medium 1052 PRO
CVE-2021-22204: Exiftool RCE II
This exercise covers how you can gain code execution when an application uses exiftool on user-controlled files
< 1 Hr. medium 97 PRO
XSL PHP IV
This exercise covers the exploitation of a PHP application using XSL
< 1 Hr. medium 174 PRO
API Payments 06
This exercise covers a simple payments bypass.
< 1 Hr. medium 1085 PRO
CVE-2022-39224
This exercise covers the exploitation of CVE-2022-39224
< 1 Hr. medium 121 PRO
XSL PHP III
This exercise covers the exploitation of a PHP application using XSL
< 1 Hr. medium 194 PRO
DOMPDF RCE II
This exercise covers the exploitation of a vulnerability in the DOMPDF library
< 1 Hr. medium 90 PRO
DOMPDF RCE
This exercise covers the exploitation of a vulnerability in the DOMPDF library
< 1 Hr. medium 177 PRO
API Payments 05
This exercise covers how to abuse a shopping cart allowing users to apply a voucher.
< 1 Hr. hard 989 PRO
XSL PHP II
This exercise covers the exploitation of a PHP application using XSL
< 1 Hr. medium 262 PRO
API Payments 04
This exercise covers how to abuse a shopping cart allowing users to apply a voucher..
< 1 Hr. medium 1307 PRO
XSL PHP
This exercise covers the exploitation of a PHP application using XSL
< 1 Hr. medium 307 PRO
API Payments 03
This exercise covers a simple payments bypass.
< 1 Hr. medium 1422 PRO
CVE-2020-13xxx
This challenge covers the review of a CVE and its patch
< 1 Hr. medium 736 PRO
Code Review 18
This exercise is one of our challenges to help you learn how to review real source code
< 1 Hr. medium 440 PRO
CVE-2008-5x8x
This challenge covers the review of a CVE and its patch
< 1 Hr. easy 907 PRO
CVE-2022-3x7x1
This challenge covers the review of a CVE and its patch
< 1 Hr. easy 834 PRO
Python Snippet #02
This challenge covers the review of a snippet of code written in Python
< 1 Hr. easy 2179 PRO
Java Snippet #12
This challenge covers the review of a snippet of code written in Java
< 1 Hr. easy 1456 PRO
Java Snippet #11
This challenge covers the review of a snippet of code written in Java
< 1 Hr. easy 1499 PRO
Java Snippet #10
This challenge covers the review of a snippet of code written in Java
< 1 Hr. easy 1600 PRO
API Payments 02
This exercise covers a simple payments bypass.
< 1 Hr. medium 1592 PRO
GCM Nonce Reuse
This challenge covers the impact of nonce reuse on GCM
< 1 Hr. medium 205 PRO
CVE-2019-5x2x
This challenge covers the review of a CVE and its patch
< 1 Hr. medium 669 PRO
Java Snippet #07
This challenge covers the review of a snippet of code written in Java
< 1 Hr. easy 1831 PRO
Java Snippet #08
This challenge covers the review of a snippet of code written in Java
< 1 Hr. easy 1845 PRO
Java Snippet #09
This challenge covers the review of a snippet of code written in Java
< 1 Hr. medium 1462 PRO
API Payments 01 API
This exercise covers a simple payments bypass.
< 1 Hr. easy 2087 PRO
CVE-2022-26xx9
This challenge covers a vulnerable snippet in a real Java application
< 1 Hr. medium 685 PRO
Python Snippet #09
This challenge covers the review of a snippet of code written in Python
< 1 Hr. easy 1955 PRO
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Showing 361–390 of 851 exercises