Drupal core - Cross site scripting (register_globals) Vulnerability
22 Apr. 2011
Summary
When theme .tpl.php files are accessible via the web and the PHP setting register_globals is set to enabled, anonymous users are able to execute cross site scripting attacks via specially crafted links.
When theme .tpl.php files are accessible via the web and the PHP setting register_globals is set to enabled, anonymous users are able to execute cross site scripting attacks via specially crafted links.
Drupals .htaccess attempts to set register_globals to disabled and also prevents access to .tpl.php files. Only when both these measures are not effective and your PHP interpreter is configured with register_globals set to enabled, will this issue affect you.
Vendor Status:
Drupal issued an update for this vulnerability