Identifying vulnerabilities on web applications
Below you can find a variety of free challenges recreated based on real bug bounty findings. Practise your knowledge learnt from our website and see if you can complete each challenge. After you think you've found the answer you can then reveal the solution to check if you are right!
If you are struggling with a challenge then hints are available however we recommend giving them a try before using the help.
Please note that there is no triage available for free challenges and this is only available for members on BARKER.
Learn like a pro
Practise hacking on a fully functioning website containing real bugs found on bug bounty programs. Use your hacker mindset to uncover as many vulnerabilities as possible and climb the leaderboard as you unlock perks.