The Lab Universe
Hands-on exercises across every class of vulnerability. Read the brief, work it against your own target, and submit the flag. Points and your level are yours the moment you solve one — join the Academy to start tracking them.
2
labsDifficulty
Category
PractitionerBusiness logic flaw
Applying the same coupon twice
Use the feature exactly as built, in an order it never anticipated.
25 pts · 45 minStart →
PractitionerBusiness logic flaw
Voting more than once by replaying the request
Use the feature exactly as built, in an order it never anticipated.
25 pts · 45 minStart →