The (old) Form Content Element component in TYPO3 4.5.0 through 4.5.31, 4.7.0 through 4.7.16, 6.0.0 through 6.0.11, and 6.1.0 through 6.1.6 allows remote authenticated editors to generate arbitrary HMAC signatures and bypass intended access restrictions via unspecified vectors.
https://github.com/advisories/GHSA-r674-mc9p-hvw5
https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-5107
http://www.debian.org/security/2014/dsa-2834
http://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2013-004/