Attention

TYPO3 v12 has reached end-of-life as of April 30th 2026 and is no longer being maintained. Use the version switcher on the top left of this page to select documentation for a supported version of TYPO3.

Need more time before upgrading? You can purchase Extended Long Term Support (ELTS) for TYPO3 v12 here: TYPO3 ELTS.

Content Security Policy (Admin Tools)

Content Security Policy declarations can be applied to a TYPO3 website in frontend and backend scope with a dedicated API.

This module handles Reporting of violations of the Content Security Policy. It is always available but can only be accessed via the backend, not the Install Tool.