Multiple SQL injection vulnerabilities in WEC Discussion Forum (wec_discussion) extension 2.1.0 and earlier for TYPO3 allow remote attackers to execute arbitrary SQL commands via unspecified vectors, as exploited in the wild in April 2011.
https://exchange.xforce.ibmcloud.com/vulnerabilities/66619
http://www.vupen.com/english/advisories/2011/0896
http://www.securityfocus.com/bid/47257
http://typo3.org/teams/security/security-bulletins/typo3-sa-2011-003/
http://typo3.org/extensions/repository/view/wec_discussion/2.1.1/