Multiple open redirect vulnerabilities in u5CMS before 3.9.4 allow remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the (1) pidvesa cookie to u5admin/pidvesa.php or (2) uri parameter to u5admin/meta2.php.
Directory traversal vulnerability in u5admin/deletefile.php in u5CMS before 3.9.4 allows remote attackers to write to arbitrary files via a (1) .. (dot dot) or (2) full pathname in the f parameter.
Multiple open redirect vulnerabilities in u5CMS before 3.9.4 allow remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the (1) pidvesa cookie to u5admin/pidvesa.php or (2) uri parameter to u5admin/meta2.php.