Multiple SQL injection vulnerabilities in Hinton Design phpht Topsites 1.3 allow remote attackers to execute arbitrary SQL commands via multiple vectors including the username parameter.
check.php in Hinton Design phpht Topsites 1.3 does not validate passwords when using cookies, which allows remote attackers to bypass authentication via unspecified cookies.
Multiple cross-site scripting (XSS) vulnerabilities in (1) link_edited.php and (2) link_added.php in Hinton Design phpht Topsites 1.3 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.