The Color Picker Wizard component in TYPO3 4.5.0 before 4.5.34, 4.7.0 before 4.7.19, 6.0.0 before 6.0.14, and 6.1.0 before 6.1.9 allows remote authenticated editors to execute arbitrary PHP code via a serialized PHP object.
http://www.openwall.com/lists/oss-security/2014/06/03/2
http://www.debian.org/security/2014/dsa-2942
http://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2014-001/
http://lists.opensuse.org/opensuse-updates/2014-06/msg00037.html