Drupal 4.5.0 through 4.5.5 and 4.6.0 through 4.6.3, when running on PHP5, does not correctly enforce user privileges, which allows remote attackers to bypass the "access user profiles" permission.

Multiple cross-site scripting (XSS) vulnerabilities in Drupal 4.5.0 through 4.5.5 and 4.6.0 through 4.6.3 allow remote attackers to inject arbitrary web script or HTML via various HTML tags and values, such as the (1) legend tag and the value parameter used in (2) label and (3) input tags, possibly due to an incomplete blacklist.

Unknown vulnerability in Drupal 4.5.0 through 4.5.3, 4.6.0, and 4.6.1 allows remote attackers to execute arbitrary PHP code via a public comment or posting.