Provide references for CVE-2021-43836.
Where can I find more information about CVE-2021-43836?
References are available at: https://github.com/sulu/sulu/security/advisories/GHSA-vx6j-pjrh-vgjh, https://github.com/sulu/sulu/commit/9c948f9ce350c68b53af8c3910e2cefc7f722b54.