This update for typo3-cms-4_7 fixes the following issues:

- CVE-2014-3941: Multiple vulnerabilities (TYPO3-CORE-SA-2014-001)
- CVE-2013-4701: Multiple vulnerabilities (TYPO3-CORE-SA-2014-002)
- CVE-2013-7073: Multiple vulnerabilities (TYPO3-CORE-SA-2013-004)
- other security fixes, e.g. preventing XSS attacks.

The package was updated to last upstream version (discontinued) 4.7.20