{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 May 2026

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

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>' .

This string is a classic example of an payload, specifically targeting Oracle databases. Technical Breakdown

In Oracle, XMLType is used to parse XML data. If the XML is malformed, the database throws an error. :

CHR(113)CHR(98)CHR(113)CHR(118)CHR(113) = qbqvq (a unique tag/marker)

: 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.