SQL injection vulnerability in WHERE clause allowing retrieval of hidden data

https://portswigger.net/web-security/sql-injection/lab-retrieve-hidden-data

This lab contains a SQL injection vulnerability in the product category filter. When the user selects a category, the application carries out a SQL query like the following: SELECT * FROM products WHERE category = 'Gifts' AND released = 1

To solve the lab, perform a SQL injection attack that causes the application to display one or more unreleased products.

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https://siunam321.github.io/ctf/portswigger-labs/SQL-Injection/sqli-1/