Provide references for CVE-2021-23447.
Where can I find more information about CVE-2021-23447?
References are available at: https://snyk.io/vuln/SNYK-JS-TEDDY-1579557, https://github.com/rooseveltframework/teddy/pull/518, https://github.com/rooseveltframework/teddy/releases/tag/0.5.9.