To complete SQL Injection Challenge 5 in OWASP Security Shepherd, you must bypass an escaping mechanism that attempts to neutralize single quotes by adding backslashes. The core vulnerability lies in the fact that the application blindly escapes every single quote, which can be manipulated to "escape the escape". Information Security Stack Exchange Core Vulnerability: Improper Escaping The server-side code replaces every single quote ( ) with a backslash and a single quote (
admin' AND ASCII(SUBSTRING(password,pos,1)) = ascii_val -- Sql Injection Challenge 5 Security Shepherd
Note: We use numbers 1 and 3 as placeholders for the columns we don't care about seeing. To complete SQL Injection Challenge 5 in OWASP