failles_web:xpath_injection [Zenk - security]
https://wiki.zenk-security.com/doku.php?id=failles_web:xpath_injectionTesting for XPath Injection
https://www.owasp.org/index.php/Testing_for_XPath_Injection_(OTG-INPVAL-010)XPath Examples
https://msdn.microsoft.com/en-us/library/ms256086(v=vs.110).aspxXPath Syntax
https://www.w3schools.com/xml/xpath_syntax.asp