: Developers should use parameterized queries where user input is treated strictly as data, never as executable code.
The injection breaks out of the intended data field and appends a new logical condition ( OR 1=1 ). Since 1=1 is always true, the database returns the first available coupon record (the VIP one) regardless of what you typed before the OR . ✅ Result sql+injection+challenge+5+security+shepherd+new
: If your payload produces an error, ensure there are no trailing spaces or hidden characters, as Security Shepherd challenges can be strict about exact string matching. If you'd like, I can help you: Step-by-step through a UNION select attack Understand why parameterized queries stop this Compare this to SQL Injection Challenge 6 SQL Injection Prevention - OWASP Cheat Sheet Series : Developers should use parameterized queries where user
SQLi_Chall5_Shepherd_8347
Upon submitting credentials, the application responds with: ✅ Result : If your payload produces an
Here’s a full example payload to extract the entire secret in one shot using a while loop (injected via stacked queries – only works if MultipleActiveResultSets is true or via blind but OOB loops are fine):