Vulnerable Systems:
* Drupal 6.x before version 6.1.
Titles are not escaped prior to being displayed on content edit forms, allowing users to inject arbitrary HTML and script code into these pages.
The Drupal.checkPlain function, used to escape text in ECMAScript, contains a bug which causes it to escape only the first instance of a character, allowing users to inject arbitrary HTML and script code in certain pages.
Vendor Status:
Drupal issued an update for this vulnerability