Cross-site scripting (XSS) vulnerability in the Javascript and CSS Optimizer extension before 1.1.14 for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
https://exchange.xforce.ibmcloud.com/vulnerabilities/81583
http://typo3.org/teams/security/security-bulletins/typo3-extensions/typo3-ext-sa-2013-002/
http://typo3.org/extensions/repository/view/js_css_optimizer