OpenEMR 4.1.1 Cross Site Scripting

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OpenEMR 4.1.1 (site param) Remote XSS Vulnerability  
  
  
Vendor: OpenEMR  
Product web page: http://www.open-emr.org  
Affected version: 4.1.1  
  
Summary: OpenEMR is a Free and Open Source electronic health records and medical  
practice management application that can run on Windows, Linux, Mac OS X, and many  
other platforms.  
  
Desc: OpenEMR suffers from a XSS issue due to a failure to properly sanitize user-supplied  
input to the 'site' GET parameter in the central 'globals.php' script which is called by  
every script. Attackers can exploit this weakness to execute arbitrary HTML and script  
code in a user's browser session.  
  
  
Tested on: Microsoft Windows 7 Ultimate SP1 (EN)  
Apache 2.4.2 (Win32)  
PHP 5.4.4  
MySQL 5.5.25a  
  
  
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic  
@zeroscience  
  
  
Advisory ID: ZSL-2013-5129  
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2013-5129.php  
  
Vendor: http://www.open-emr.org/wiki/index.php/OpenEMR_Patches  
  
  
09.02.2013  
  
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http://localhost/openemr/[DIR]/[SCRIPT]?site="><script>alert(1);</script>  
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