Cross-site scripting (XSS) vulnerability in mvnForum 1.1 GA allows remote authenticated users to inject arbitrary web script or HTML via the topic field, which is later displayed by user/viewthread.jsp through use of the "quick reply button."
https://exchange.xforce.ibmcloud.com/vulnerabilities/42241
http://www.securityfocus.com/bid/29075
http://www.securityfocus.com/archive/1/491713/100/0/threaded
http://users.own-hero.net/~decoder/advisories/mvnforum-jsxss.txt
http://securityreason.com/securityalert/3862