An issue was discovered in GreenCMS v2.3.0603. There is a CSRF vulnerability that can add an admin account via index.php?m=admin&c=access&a=adduserhandle.
{ "versions": [ { "introduced": "0" }, { "last_affected": "2.3.0603" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-11671.json"