Provide references for CVE-2021-22970.
Where can I find more information about CVE-2021-22970?
References are available at: https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes, https://hackerone.com/reports/1364797, https://documentation.concretecms.org/developers/introduction/version-history/901-release-notes.