Multiple cross-site scripting (XSS) vulnerabilities in Wordpress 1.2 allow remote attackers to inject arbitrary web script or HTML via the (1) redirect_to text popupurl or popuptitle parameters to wp-login.php (2) redirect_url parameter to admin-header.php (3) popuptitle popupurl content or post_title parameters to bookmarklet.php (4) cat_ID parameter to categories.php (5) s parameter to edit.php or (6) s or mode parameter to edit-comments.php.