Multiple SQL injection vulnerabilities in Francisco Burzi PHP-Nuke 5.6 and 6.5 allow remote authenticated users to execute arbitrary SQL commands via (1) a uid (user) cookie to modules.php; and allow remote attackers to execute arbitrary SQL commands via an aid (admin) cookie to the Web_Links module in a (2) viewlink, (3) MostPopular, or (4) NewLinksDate action, different vectors than CVE-2003-0279.