We need to confirm that we can control the logic of the statement. We try a condition that is always true.
OWASP Security Shepherd SQL Injection Challenge 5 demonstrates how improper user input handling in database queries allows for unauthorized data access through dynamic SQL construction. The exercise highlights that using parameterized queries, rather than string concatenation, is the primary defense to prevent manipulating database logic [1]. Sql Injection Challenge 5 Security Shepherd
But || is not filtered. Works in MySQL in ANSI mode. We need to confirm that we can control
Note: The exact exclusion list may vary, but usually, you are looking for tables that look like users , challenge , or specifically tbl_ch5 . rather than string concatenation