Multiple cross-site scripting (XSS) vulnerabilities in OrangeHRM before 2.6.11.2 allow remote attackers to inject arbitrary web script or HTML via the (1) uniqcode or (2) isAdmin parameter to index.php; or the (3) PATH_INFO to lib/controllers/centralcontroller.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/71568
http://www.securityfocus.com/archive/1/520684/100/0/threaded
http://secunia.com/advisories/47014
http://blog.orangehrm.com/2011/12/09/security-vulnerabilities-fixed-with-orangehrm-26112/