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