Codiad through 2.8.4 allows Remote Code Execution, a different vulnerability than CVE-2017-11366 and CVE-2017-15689.
https://github.com/WangYihang/Codiad-Remote-Code-Execute-Exploit
https://github.com/Codiad/Codiad/issues/1078
http://packetstormsecurity.com/files/161944/Codiad-2.8.4-Remote-Code-Execution.html