Multiple cross-site scripting (XSS) vulnerabilities in admin/include/isadmin.inc.php in PhpWebGallery 1.3.4 allow remote attackers to inject arbitrary web script or HTML via the (1) lang[access_forbiden] and (2) lang[ident_title] parameters.

More... (http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2008-4591)