Vulnerable Systems:
* Drupal Twitter Pull 6.x-1.x through versions prior to 6.x-1.3
* Drupal Twitter Pull 7.x-1.x through versions prior to 7.x-1.0-rc3
An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may help the attacker steal cookie-based authentication credentials and launch other attacks.