{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 -

: This part of the query attempts to pull data from a system-level table containing user information. What This Payload Does

CHAR(121)||CHAR(107)||CHAR(70)||CHAR(106) translates to . : This part of the query attempts to

: Use a WAF to automatically block requests containing known SQL injection patterns. : This part of the query attempts to

If you are seeing this in your logs, it means an automated scanner or attacker is probing your site for weaknesses. You can defend against this by: : This part of the query attempts to

: Restrict search inputs to a reasonable character length and filter out common SQL keywords.

Are you seeing these queries in your or a specific application's search field ?

: Ensure your application uses Prepared Statements to separate user input from the SQL command.