: This operator combines the results of two different SELECT statements into a single result set.
The best way to prevent this is to use (parameterized queries). This ensures the database treats the input as literal text, not as a command to be executed.
: The attacker is trying to match the number of columns in the original query. If the page loads "34," they know the table has two columns and they can start pulling real data (like usernames or passwords) in those slots. -1469 UNION ALL SELECT 34,34#
: 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
Access private user info or credit card numbers. Bypass Login: Log in as an admin without a password. Wreak Havoc: Delete or modify entire databases. How to Stay Safe : This operator combines the results of two
If a website isn't "sanitizing" user input, an attacker can use these tricks to:
It looks like you're testing for vulnerabilities! That specific string— -1469 UNION ALL SELECT 34,34# —is a classic example of a payload used to bypass security or leak data from a database. : The attacker is trying to match the
Are you looking to write a on how to prevent these attacks, or more of a beginner's overview of web security?