If you are seeing this on your own website logs or search bar, it means someone (or an automated bot) is testing your site for security holes. To prevent this:
This specific line of code is designed to trick a database into revealing information it shouldn't. Here is what each part does: If you are seeing this on your own
The string you provided is a classic example of a used for a "UNION-based" attack. The "Anatomy" of the Payload The "Anatomy" of the Payload : This command
: This command tells the database to combine the results of the original (legitimate) search with a second search created by the attacker. They will return with a stack of gardening
The librarian goes to the back (the database), finds the gardening books, and brings them to you.
If the librarian is "vulnerable," they won't realize you've added a second, unauthorized command. They will return with a stack of gardening books, but sitting right on top will be a slip of paper with a name from the payroll. How to Stay Safe
: This is a comment marker in SQL. It tells the database to ignore everything that comes after it, effectively "breaking" the rest of the original, legitimate code so it doesn't cause an error. A Helpful Story: The Librarian and the Hidden Note
