{keyword}' And (select Char(121)||char(107)||char(70)||char(106) From Information_schema.system_users)=char(103)||char(112)||char(87)||char(114) And 'mppv'='mppv -

: These functions convert ASCII numeric codes into text characters.

: Restrict search inputs to a reasonable character length and filter out common SQL keywords. : These functions convert ASCII numeric codes into

: Ensure your application uses Prepared Statements to separate user input from the SQL command. : These functions convert ASCII numeric codes into