We construct the final payload to extract the password.
admin' - '0
How would a developer prevent this specific vulnerability? Sql Injection Challenge 5 Security Shepherd
However, Security Shepherd 5 specifically expects: We construct the final payload to extract the password
This changes the query to:
The paper you're referring to is likely a for SQL Injection Challenge 5 from the OWASP Security Shepherd project. Sql Injection Challenge 5 Security Shepherd