Yerba SACphp 6.3 and earlier allows remote attackers to bypass authentication and gain administrative access via a galleta[sesion] cookie that has a value beginning with 1:1: followed by a username.
Directory traversal vulnerability in index.php in SAC.php (SACphp), as used in Yerba 6.3 and earlier, allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the mod parameter.