Open redirect vulnerability in the Global Redirect module 6.x-1.x before 6.x-1.4 and 7.x-1.x before 7.x-1.4 for Drupal, when non-clean to clean is enabled, allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the q parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/76293
https://drupal.org/node/1378118
https://drupal.org/node/1378116
http://www.securityfocus.com/bid/54002
http://www.openwall.com/lists/oss-security/2012/06/14/3
http://www.madirish.net/?article=460