Multiple SQL injection vulnerabilities in Zero CMS 1.0 Alpha allow remote attackers to execute arbitrary SQL commands via (1) the id parameter to index.php, or the (2) f or t parameters to forums/index.php.

Unrestricted file upload vulnerability in Zero CMS 1.0 Alpha and earlier allows remote attackers to bypass intended access restrictions and upload and execute arbitrary files by uploading an avatar file with an accepted Content-Type such as image/jpeg.