{keyword};select Dbms_pipe.receive_message(chr(108)||chr(98)||chr(116)||chr(86),5) From Dual-- Link

Use "allow-lists" to ensure only expected characters (like letters and numbers) are accepted [7].

Ensure your database user account does not have permission to execute sensitive packages like DBMS_PIPE unless absolutely necessary [8]. Use "allow-lists" to ensure only expected characters (like

Use "Prepared Statements" so the database treats the input as literal text, not executable code [7]. not executable code [7].