Multiple cross-site scripting (XSS) vulnerabilities in Softbiz Classifieds Script allow remote attackers to inject arbitrary web script or HTML via the (1) radio parameter to showcategory.php, (2) msg parameter to advertisers/signinform.php, (3) radio parameter to gallery.php, (4) msg parameter to lostpassword.php, (5) radio parameter to showcategory.php, (6) msg parameter to admin/adminhome.php, and (7) msg parameter to admin/index.php.  NOTE: a different signinform.php file is already covered by CVE-2008-6306.