WordPress and WordPress MU before 2.8.1 allow remote attackers to obtain sensitive information via a direct request to wp-settings.php, which reveals the installation path in an error message.

Cross-site scripting (XSS) vulnerability in the self_link function in in the RSS Feed Generator (wp-includes/feed.php) for WordPress before 2.6.5 allows remote attackers to inject arbitrary web script or HTML via the Host header (HTTP_HOST variable).

Directory traversal vulnerability in the get_category_template function in wp-includes/theme.php in WordPress 2.3.3 and earlier, and 2.5, allows remote attackers to include and possibly execute arbitrary PHP files via the cat parameter in index.php. NOTE: some of these details are obtained from third party information.

Cross-site scripting (XSS) vulnerability in WordPress before 2.6, SVN development versions only, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

wp-includes/vars.php in Wordpress before 2.2.3 does not properly extract the current path from the PATH_INFO ($PHP_SELF), which allows remote attackers to bypass intended access restrictions for certain pages.

Directory traversal vulnerability in wp-db-backup.php in Skippy WP-DB-Backup plugin for WordPress 1.7 and earlier allows remote authenticated users with administrative privileges to read arbitrary files via a .. (dot dot) in the backup parameter to edit.php.