Multiple cross-site scripting (XSS) vulnerabilities in Exponent CMS 0.96.6 Alpha and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) url parameter to (a) magpie_debug.php and (b) magpie_simple.php in external/magpierss/scripts/, the (2) rss_url parameter to (c) magpie_slashbox.php in external/magpierss/scripts/, and the (3) body parameter to the (d) weblogmodule (aka Weblog Comments) module.