The TYPO3 Core Development Team has released security updates to address vulnerability in TYPO3 content Management System. Exploitation of these vulnerabilities may allow an attacker to take control of affected system.
Users and Administrators are encouraged to review TYPO3 security advisories TYPO3-EXT-SA-2021-014, TYPO3-EXT-SA-2021-013, TYPO3-EXT-SA-2021-012, TYPO3-EXT-SA-2021-011 and TYPO3-EXT-SA-2021-010 and apply necessary updates.