: This is a dummy value. By using a negative or non-existent ID, the attacker ensures the first part of the query returns no results, making room for the injected data to show up.
: This operator combines the results of two different SELECT statements into a single result set. -1469 UNION ALL SELECT 34,34#
SQL injection is a web security vulnerability that allows an attacker to interfere with the queries that an application makes to its database. Breaking Down the Payload: : This is a dummy value
: In MySQL, this is a comment symbol. It tells the database to ignore the rest of the legitimate code, preventing syntax errors that would break the attack. Why You Should Care -1469 UNION ALL SELECT 34,34#