JForum 2.1.8 BookMarks – Cross-Site Request Forgery / Cross-Site Scripting
JForum 2.1.8 bookmarks CSRF & XSS Advisory Information Advisory ID: NGENUITY-2010-004 Date published: 2010-06-06 Vulnerability Information Class: Cross-Site Request Forgery (CSRF) Software Description Per jforum.net "JForum is a powerful and robust discussion board system implemented in Java^tm . It provides an attractive interface, an efficient forum engine, an easy to use administrative panel, an advanced permission control system and much more." Vulnerability Description If the victim is authenticated then it is possible via a number of methods to have the vicitim visit the below example url. A new bookmark entry would be set and the XSS payload inserted and would be triggered when the user visited their bookmarks page. It is also possible to pre-load your own bookmarks page and if another user visits your bookmarks then the payload would also be executed. Note: the bookmarks module must be installed and activated for a particular installation to be vulnerable / exploitable. Technical Description Example exploit URL to insert a bookmark. Replace <XSS> with your payload. https://example.com/forum/bookmarks/insert/2/1.page?action=insertSave&description=<XSS>&module=bookmarks&relation_id=1&relation_type=2&title=<XSS>&visible=1 Discovery Timeline 2009-12-30 - Initial Discovery 2009-12-31 - Notified JForum through bug ticket submission Credits This vulnerability was discovered by Adam Baldwin <mailto:adam_baldwin@ngenuity-is.com> http://ngenuity-is.com/advisories/2010/jun/6/jforum-218-bookmarks-csrf-xss/ *Related Advisory:* http://ngenuity-is.com/advisories/2010/jun/6/jforum-218-finduser-reflected-xss/ *Software download link: *http://jforum.net/download.jsp |