Cross-site scripting (XSS) vulnerability in the mm_forum extension 1.8.2 and earlier for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
https://exchange.xforce.ibmcloud.com/vulnerabilities/57037
http://www.securityfocus.com/bid/38825
http://typo3.org/teams/security/security-bulletins/typo3-sa-2010-007/