Cross-site scripting (XSS) vulnerability in the Contact module (modules/contact/contact.admin.inc or modules/contact/contact.module) in Drupal Core 5.x before 5.21 and 6.x before 6.15 allows remote authenticated users with "administer site-wide contact form" permissions to inject arbitrary web script or HTML via the contact category name.
https://exchange.xforce.ibmcloud.com/vulnerabilities/54867
http://www.securityfocus.com/bid/37372
http://secunia.com/advisories/37824