SeaCMS v6.61 allows Remote Code execution by placing PHP code in an allowed IP address (aka ip) to /admin/admin_ip.php (aka /adm1n/admin_ip.php). The code is executed by visiting adm1n/admin_ip.php or data/admin/ip.php. This can also be exploited through CSRF.
SeaCMS v6.61 allows Remote Code execution by placing PHP code in a movie picture address (aka v_pic) to /admin/admin_video.php (aka /backend/admin_video.php). The code is executed by visiting /details/index.php. This can also be exploited through CSRF.