Multiple cross-site scripting (XSS) vulnerabilities in nicecoder.com INDEXU 5.3 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) error_msg parameter to (a) suggest_category.php; the (2) u parameter to (b) user_detail.php; the (3) friend_name (4) friend_email (5) error_msg (6) my_name (7) my_email and (8) id parameters to (c) tell_friend.php; the (9) error_msg (10) email (11) name and (12) subject parameters to (d) sendmail.php; the (13) email (14) error_msg and (15) username parameters to (e) send_pwd.php; the (16) keyword parameter to (f) search.php; the (17) error_msg (18) username (19) password (20) password2 and (21) email parameters to (g) register.php; the (22) url (23) contact_name and (24) email parameters to (h) power_search.php; the (25) path and (26) total parameters to (i) new.php; the (27) query parameter to (j) modify.php; the (28) error_msg parameter to (k) login.php; the (29) error_msg and (30) email parameters to (l) mailing_list.php; the (31) gateway parameter to (m) upgrade.php; and another unspecified vector.