Cross-site scripting (XSS) vulnerability in cgi-bin/user-lib/topics.pl in web-app.net WebAPP before 20060515 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors in the viewnews function, related to use of doubbctopic instead of doubbc.
http://www.web-app.net/cgi-bin/index.cgi?action=redirectd&cat=pastversions&id=1
http://www.web-app.net/cgi-bin/index.cgi?action=downloadinfo&cat=pastversions&id=1