{keyword}' And 6957=(select Upper(xmltype(chr(60)||chr(58)||chr(113)||chr(98)||chr(113)||chr(118)||chr(113)||(select (case When (6957=6957) Then 1 Else 0 End) From Dual)||chr(113)||chr(113)||chr(98)||chr(113)||chr(113)||chr(62))) From Dual) And 'plsa'='pls Today

: If successful, an attacker can extract sensitive data (usernames, passwords, database version) one piece at a time by reflecting that data inside the error messages.

To prevent this, you should concatenate user input directly into SQL strings. Instead: : If successful, an attacker can extract sensitive

AND 'pLsa'='pLs is a "dead end" string to balance out the remaining single quote from the original application code, preventing a syntax error that might mask the injection result. : If successful

CHR(113)CHR(98)CHR(113)CHR(118)CHR(113) = qbqvq (a unique tag/marker) : If successful, an attacker can extract sensitive

: SQL Injection (Error-Based/Out-of-Band).