WordPress — свободно распространяемая система управления содержимым сайта с открытым исходным кодом.

WordPress before 3.6.1 does not properly validate URLs before use in an HTTP redirect, which allows remote attackers to bypass intended redirection restrictions via a crafted string.

Multiple cross-site scripting (XSS) vulnerabilities in the request_filesystem_credentials function in wp-admin/includes/file.php in WordPress before 3.0.2 allow remote servers to inject arbitrary web script or HTML by providing a crafted error message for a (1) FTP or (2) SSH connection attempt.

wp-includes/comment.php in WordPress before 3.0.2 does not properly whitelist trackbacks and pingbacks in the blogroll, which allows remote attackers to bypass intended spam restrictions via a crafted URL, as demonstrated by a URL that triggers a substring match.

Cross-site scripting (XSS) vulnerability in wp-admin/plugins.php in WordPress before 3.0.2 might allow remote attackers to inject arbitrary web script or HTML via a plugin's author field, which is not properly handled during a Delete Plugin action.

wp-includes/capabilities.php in WordPress before 3.0.2, when a Multisite configuration is used, does not require the Super Admin role for the delete_users capability, which allows remote authenticated administrators to bypass intended access restrictions via a delete action.

wp-admin/press-this.php in WordPress before 3.0.6 does not enforce the publish_posts capability requirement, which allows remote authenticated users to perform publish actions by leveraging the Contributor role.

WordPress before 3.0.1, when a Multisite installation is used, permanently retains the "site administrators can add users" option once changed, which might allow remote authenticated administrators to bypass intended access restrictions in opportunistic circumstances via an add action after a temporary change.

Cross-site scripting (XSS) vulnerability in wp-includes/default-filters.php in WordPress before 3.3.3 allows remote attackers to inject arbitrary web script or HTML via an editable slug field.

wp-admin/includes/class-wp-posts-list-table.php in WordPress before 3.3.3 does not properly restrict excerpt-view access, which allows remote authenticated users to obtain sensitive information by visiting a draft.

wp-admin/media-upload.php in WordPress before 3.3.3 allows remote attackers to obtain sensitive information or bypass intended media-attachment restrictions via a post_id value.