Else 0 End) From Dual)||chr(113)||chr(113)||chr(98)||chr(113)||chr(113)||chr(62))) From Dual) And 'plsa'='pls | {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

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. :

: Systems running Oracle Database where user input is not properly sanitized or prepared using parameterized queries. Remediation The payload injects a subquery: (SELECT (CASE WHEN

: Strict allow-listing of expected characters for the {KEYWORD} field. The payload injects a subquery: (SELECT (CASE WHEN

: 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. The payload injects a subquery: (SELECT (CASE WHEN