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

: This is likely a placeholder where a legitimate search term or data value would normally go.

Use "allow-lists" to ensure only expected characters (like letters and numbers) are accepted [7]. : This is likely a placeholder where a

: DUAL is a special one-row table in Oracle used to execute functions that don't need data from a specific table [6]. : This is likely a placeholder where a

Use "Prepared Statements" so the database treats the input as literal text, not executable code [7]. : This is likely a placeholder where a

Ensure your database user account does not have permission to execute sensitive packages like DBMS_PIPE unless absolutely necessary [8].

If you are seeing this in your logs, your system is being scanned for vulnerabilities. You should take the following steps immediately: