: 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 -9825 UNION ALL SELECT 34,34,34,34,34,34,34,34,34,34#
The string is designed to trick a website’s search bar or login field into running extra commands it wasn't supposed to. : The attacker is playing a guessing game
: This is the heart of the exploit. The UNION operator tells the database, "Take the results of the first search and glue them to the results of this second search." If the page loads without an error, they’ve