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.
To prevent this, you should concatenate user input directly into SQL strings. Instead: AND 'pLsa'='pLs is a "dead end" string to
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>' . AND 'pLsa'='pLs is a "dead end" string to