Provide references for CVE-2021-36766.
Where can I find more information about CVE-2021-36766?
References are available at: https://hackerone.com/reports/1063039, http://seclists.org/fulldisclosure/2021/Jul/36, http://packetstormsecurity.com/files/163564/Concrete5-8.5.5-Phar-Deserialization.html.