Once an attacker confirms that 10 columns work, they won't just select the number "34." They will replace those numbers with sensitive commands, such as: SELECT user, password, email FROM users
Suddenly, instead of seeing a product description or a blog post, the website displays the admin’s login credentials directly on the screen. Why It Matters
: The attacker is playing a guessing game. A UNION attack only works if both queries have the exact same number of columns . By repeating "34," the attacker is testing if the database table has 10 columns. If the page loads without an error, they’ve found the "shape" of the table.
Once an attacker confirms that 10 columns work, they won't just select the number "34." They will replace those numbers with sensitive commands, such as: SELECT user, password, email FROM users
Suddenly, instead of seeing a product description or a blog post, the website displays the admin’s login credentials directly on the screen. Why It Matters
: The attacker is playing a guessing game. A UNION attack only works if both queries have the exact same number of columns . By repeating "34," the attacker is testing if the database table has 10 columns. If the page loads without an error, they’ve found the "shape" of the table.