Multiple cross-site scripting (XSS) vulnerabilities in phpGroupWare 0.9.16.003 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) kp3, (2) type, (3) msg, (4) forum_id, (5) pos, (6) cats_app, (7) cat_id, (8) msgball[msgnum], (9) fldball[acctnum] parameters to index.php or (10) ticket_id to viewticket_details.php.