Provide references for CVE-2021-27903.
Where can I find more information about CVE-2021-27903?
References are available at: https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#security, https://github.com/craftcms/cms/commit/c17728fa0bec11d3b82c34defe0930ed409aec38, https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#367---2021-02-23.