Cross-site scripting (XSS) vulnerability in the backend user interface in TYPO3 4.0 before 4.0.12, 4.1 before 4.1.10, 4.2 before 4.2.6, and 3.3.x through 3.8.x allows remote attackers to inject arbitrary web script or HTML via multiple unspecified fields.

More... (http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-0816)