Provide references for CVE-2021-31777.
Where can I find more information about CVE-2021-31777?
References are available at: https://excellium-services.com/cert-xlm-advisory/, https://typo3.org/security/advisory/typo3-ext-sa-2021-005, http://packetstormsecurity.com/files/162429/TYPO3-6.2.1-SQL-Injection.html.