: This is a "tautology"—a statement that is always true. How the Attack Works
: If a site responds to this string, it means it is not "sanitizing" user input, leaving it open to a full-scale data breach. {KEYWORD} AND 4477=4477
Because 4477=4477 is always true, the database treats the entire condition as valid. If the application returns the same result for this query as it does for a normal search of just {KEYWORD} , the attacker knows the application is . They can then replace 4477=4477 with more dangerous commands to steal passwords, delete data, or bypass login screens. Why This Matters : This is a "tautology"—a statement that is always true
When a web application is not properly secured, it might take this text and insert it directly into a database query. For example: If the application returns the same result for
: This represents a legitimate search term or data field (like a username or product ID) that the web application expects to receive.
The phrase "{KEYWORD} AND 4477=4477" is a classic example of a . It is used by security researchers and malicious actors to test if a website's database is vulnerable to unauthorized queries. What the Code Does