Provide references for CVE-2021-43827.
Where can I find more information about CVE-2021-43827?
References are available at: https://github.com/discourse/discourse-footnote/security/advisories/GHSA-58vr-c56v-qr57, https://github.com/discourse/discourse-footnote/commit/796617e0131277011207541313522cd1946661ab.