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.

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.

Interpretation conflict in file.inc in Drupal 4.5.0 through 4.5.5 and 4.6.0 through 4.6.3 allows remote authenticated users to inject arbitrary web script or HTML via HTML in a file with a GIF or JPEG file extension, which causes the HTML to be executed by a victim who views the file in Internet Explorer as a result of CVE-2005-3312. NOTE: it could be argued that this vulnerability is due to a design flaw in Internet Explorer and the proper fix should be in that browser; if so, then this should not be treated as a vulnerability in Drupal.

Eval injection vulnerability in PEAR XML_RPC 1.3.0 and earlier (aka XML-RPC or xmlrpc) and PHPXMLRPC (aka XML-RPC For PHP or php-xmlrpc) 1.1 and earlier, as used in products such as (1) WordPress, (2) Serendipity, (3) Drupal, (4) egroupware, (5) MailWatch, (6) TikiWiki, (7) phpWebSite, (8) Ampache, and others, allows remote attackers to execute arbitrary PHP code via an XML file, which is not properly sanitized before being used in an eval statement.

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.

Unknown vulnerability in the privilege system in Drupal 4.4.0 through 4.6.0, when public registration is enabled, allows remote attackers to gain privileges, due to an "input check" that "is not implemented properly."

Cross-site scripting (XSS) vulnerability in common.inc in Drupal before 4.5.2 allows remote attackers to inject arbitrary web script or HTML via certain inputs.