SeaCMS 6.56 allows remote authenticated administrators to execute arbitrary PHP code via a crafted token field to admin/admin_ping.php, which interacts with data/admin/ping.php.Referenceshttps://gist.github.com/WangYihang/9507e2efdceb67a5bc2761200f19f213http://www.jianshu.com/p/35af80b97ee6
