Cross-site scripting (XSS) vulnerability in the Twitter Pull module 6.x-1.x before 6.x-1.3 and 7.x-1.x before 7.x-1.0-rc3 for Drupal allows remote attackers to inject arbitrary web script or HTML via unspecified vectors related to "data coming from Twitter."
http://www.openwall.com/lists/oss-security/2012/11/20/4
http://drupal.org/node/1802230