Provide references for CVE-2021-29440.
Where can I find more information about CVE-2021-29440?
References are available at: https://github.com/getgrav/grav/security/advisories/GHSA-g8r4-p96j-xfxc, https://packagist.org/packages/getgrav/grav, http://packetstormsecurity.com/files/162987/Grav-CMS-1.7.10-Server-Side-Template-Injection.html, https://blog.sonarsource.com/grav-cms-code-execution-vulnerabilities.