Cross-site scripting (XSS) vulnerability in the Chaos tool suite (aka CTools) module 7.x-1.x before 7.x-1.0 for Drupal allows remote authenticated users with the post comments permission to inject arbitrary web script or HTML via a user signature.
https://exchange.xforce.ibmcloud.com/vulnerabilities/74481
http://www.securityfocus.com/bid/52794
http://www.openwall.com/lists/oss-security/2012/04/07/1
http://secunia.com/advisories/48616
http://drupalcode.org/project/ctools.git/commit/755b3c4