Cross-site request forgery (CSRF) vulnerability in Drupal 7.12 and earlier allows remote attackers to hijack the authentication of arbitrary users for requests that end a session via the user/logout URI. NOTE: the vendor disputes the significance of this issue, by considering the "security benefit against platform complexity and performance impact" and concluding that a change to the logout behavior is not planned because "for most sites it is not worth the trade-off.

Interpretation conflict in Drupal 4.7.x before 4.7.11 and 5.x before 5.6, when Internet Explorer 6 is used, allows remote attackers to conduct cross-site scripting (XSS) attacks via invalid UTF-8 byte sequences, which are not processed as UTF-8 by Drupal's HTML filtering, but are processed as UTF-8 by Internet Explorer, effectively removing characters from the document and defeating the HTML protection mechanism.

Cross-site scripting (XSS) vulnerability in the Devel module before 5.x-0.1 for Drupal allows remote attackers to inject arbitrary web script or HTML via a site variable, related to lack of escaping of the variable table.

Cross-site request forgery (CSRF) vulnerability in the aggregator module in Drupal 4.7.x before 4.7.11 and 5.x before 5.6 allows remote attackers to delete items from a feed as privileged users.

Multiple SQL injection vulnerabilities in Drupal and vbDrupal 4.7.x before 4.7.9 and 5.x before 5.4 allow remote attackers to execute arbitrary SQL commands via modules that pass input to the taxonomy_select_nodes function, as demonstrated by the (1) taxonomy_menu, (2) ajaxLoader, and (3) ubrowser contributed modules.

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.

Multiple cross-site scripting (XSS) vulnerabilities in the XML parser in Drupal 4.6.x before 4.6.10 and 4.7.x before 4.7.4 allow remote attackers to inject arbitrary web script or HTML via a crafted RSS feed.

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 request forgery (CSRF) vulnerability in Drupal 4.6.x before 4.6.10 and 4.7.x before 4.7.4 allows remote attackers to perform unauthorized actions as an arbitrary user via unspecified vectors.

Cross-site scripting (XSS) vulnerability in user.module in Drupal 4.6 before 4.6.9, and 4.7 before 4.7.3, allows remote attackers to inject arbitrary web script or HTML via the msg parameter. NOTE: portions of these details are obtained from third party information.