Cross-site scripting (XSS) vulnerability in the LatestComment plugin 1.1 for Vanilla Forums allows remote attackers to inject arbitrary web script or HTML via the discussion title.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-6402
http://www.securityfocus.com/bid/53633
http://www.henryhoggard.co.uk/security/191/