1 Else 0 End))::text||(chr(113)||chr(118)||chr(112)||chr(106)||chr(113)) As Numeric): {keyword} And 5241=cast((chr(113)||chr(112)||chr(120)||chr(98)||chr(113))||(select (case When (5241=5241) Then

If you are seeing this in your website logs or a search bar, it’s likely an automated bot scanning for security holes.

The SELECT (CASE WHEN (5241=5241) THEN 1 ELSE 0 END) is a "true or false" test. Since 5241 always equals 5241, it returns 1 . If you are seeing this in your website

The CAST(... AS NUMERIC) part attempts to force the database to convert a string into a number. If you are seeing this in your website

If a database is vulnerable, it will try to process this calculation. Because the resulting string (a mix of letters and the number 1) cannot be converted to a NUMERIC type, the database will throw an error message . An attacker looks for that specific error to confirm the database is open to manipulation. If you are seeing this in your website