{keyword}');select Pg_sleep(5)-- File

: This closes the original SQL function and terminates the statement.

: This is a SQL comment. It ignores the rest of the original, legitimate query so it doesn't cause a syntax error. 🔍 How to Use This for Testing

: Available in most modern frameworks (like Django, Rails, or Express), these automatically handle the heavy lifting of security. {KEYWORD}');SELECT PG_SLEEP(5)--

This specific string is used to test if a database is vulnerable to "blind" attacks, where the server doesn't return data directly but its response time reveals information.

: Find a search bar, login field, or URL parameter (e.g., ://example.com ). Inject the Payload : Replace the input with the payload. Observe the Lag : If the page loads instantly , the input is likely sanitized. : This closes the original SQL function and

If the page takes (or more) to load, you have confirmed a PostgreSQL Injection vulnerability . 🛡️ How to Fix It

: This is the core command for PostgreSQL . It instructs the database to pause for exactly 5 seconds before responding. 🔍 How to Use This for Testing :

: Ensure the database user for the web app cannot execute administrative commands like PG_SLEEP .