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.