Drupal security advisory DRUPAL-SA-2006-005: A security vulnerability in the database layer allowed certain queries to be submitted to the database without going through Drupal’s query sanitizer.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/46983/DRUPAL-SA-2006-005.txt
Source: https://packetstormsecurity.com/files/46983/DRUPAL-SA-2006-005.txt.html