SQL injection vulnerability in forum.php in the WP Symposium plugin before 15.4 for WordPress allows remote attackers to execute arbitrary SQL commands via the show parameter in the QUERY_STRING to the default URI.

SQL injection vulnerability in the WP Symposium plugin before 15.8 for WordPress allows remote attackers to execute arbitrary SQL commands via the size parameter to get_album_item.php.

Multiple unrestricted file upload vulnerabilities in the WP Symposium plugin before 11.12.24 for WordPress allow remote attackers to execute arbitrary code by uploading a file with an executable extension using (1) uploadify/upload_admin_avatar.php or (2) uploadify/upload_profile_avatar.php, then accessing it via a direct request to the file in an unspecified directory inside the webroot.