CVE 2012-6145
Cross-site scripting (XSS) vulnerability in the Backend History module in TYPO3 4.5.x before 4.5.21, 4.6.x before 4.6.14, and 4.7.x before 4.7.6 allows remote authenticated backend users to inject arbitrary web script or HTML via unspecified vectors.
See the 
CVE page on Mitre.org
for more details.
