{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 -

: Systems running Oracle Database where user input is not properly sanitized or prepared using parameterized queries. Remediation

When Oracle tries to parse the resulting string (e.g., <:qbqvq1qqbqq> ), it realizes it is not a valid XML format. It then returns an error message like: LPX-00110: XML parsing failed... at '<:qbqvq1qqbqq>' . : Systems running Oracle Database where user input

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. at ' '

: Configure the web server to show generic error pages instead of raw database error strings to the end user. The payload injects a subquery: (SELECT (CASE WHEN

The payload injects a subquery: (SELECT (CASE WHEN (6957=6957) THEN 1 ELSE 0 END) FROM DUAL) . This is a "Boolean test" to see if the logic holds true. :

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