Drupal 4.6.x before 4.6.10 and 4.7.x before 4.7.4 allows form submissions to be redirected, which allows remote attackers to obtain arbitrary form information via a crafted URL.

Cross-site scripting (XSS) vulnerability in the taxonomy module in Drupal 4.6.8 and 4.7.2 allows remote attackers to inject arbitrary web script or HTML via inputs that are not properly validated when the page title is output, possibly involving the $names variable.

Unspecified vulnerability in Drupal before 4.6.11, and 4.7 before 4.7.5, when MySQL is used, allows remote authenticated users to cause a denial of service by poisoning the page cache via unspecified vectors, which triggers erroneous 404 HTTP errors for pages that exist.