Multiple cross-site scripting (XSS) vulnerabilities in Tomaz Muraus Open Blog 1.2.1, and possibly earlier, allow remote attackers to inject arbitrary web script or HTML via the (1) excerpt parameter to application/modules/admin/controllers/posts.php, as reachable by admin/posts/edit; and the (2) content parameter to application/modules/admin/controllers/pages.php, as reachable by admin/posts/edit.