Provide references for CVE-2021-40219.
Where can I find more information about CVE-2021-40219?
References are available at: http://boltcms.com, https://github.com/bolt/core, https://github.com/bolt/core/blob/3b21a73ebf519b76756d3ad2841312d10ef11461/src/Controller/Frontend/TemplateController.php, https://github.com/iiSiLvEr/CVEs/tree/main/CVE-2021-40219.