Sql Injection Challenge 5 Security Shepherd ~upd~ Jun 2026

To complete SQL Injection Challenge 5, follow these steps:

Query:

The primary hurdle in Challenge 5 is an escaping function that targets single quotes. The application attempts to sanitize user input by replacing every single quote ( ) with an escaped version ( Information Security Stack Exchange

Security Shepherd – SQL Injection Challenge 5 Sql Injection Challenge 5 Security Shepherd

The difficulty curve is steep. Challenge 1 might ask you to simply enter ' OR 1=1 -- into a login form. By the time you hit Challenge 5, the training wheels are off. The developers have implemented basic sanitization, and you must learn to speak the database’s native language fluently.

Completing OWASP Security Shepherd Challenge 5 is a milestone. It separates the script kiddie from the analyst. You have proven that you can:

What is SQL Injection (SQLi) and How to Prevent Attacks - Acunetix To complete SQL Injection Challenge 5, follow these

Challenge 5 serves as a warning that simply using the PreparedStatement object is not enough if you continue to build queries using string concatenation.

Force the database to return the flag inside an error message.

Or, if comments are filtered, use vertical tabs or simply indent: UNION SELECT might be blocked, but UNION(SELECT(1),2,3) works because parentheses act as whitespace separators in MySQL and PostgreSQL. By the time you hit Challenge 5, the training wheels are off

While not a fix for bad code, a WAF with a rule to block UNION.*SELECT or information_schema could slow down an attacker.

Assuming the table is ch5_keys and column is flag_key .

Final Payload: admin' UNION/**/SELECT/**/1,flag_key,3/**/FROM/**/ch5_keys--

admin' Password: ' OR '1'='1'