Author: Gerendi Sandor Attila Original advisory: http://gsasec.blogspot.com/2009/05/vanilla-v117-cross-site-scripting.html Date: May 14, 2009 Package: Vanilla (1.1.7) Product Homepage: http://getvanilla.com/ Versions Affected: v.1.1.7, 1.1.5 (Other versions may also be affected) Severity: Medium Input passed to the 'RequestName' header parameter when posting to '/ajax/updatecheck.php' is not sanitized before it is returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site. Example: http://somehost/ajax/updatecheck.php?PostBackKey=1&ExtensionKey=1&RequestName=1<script>alert(123)</script> will return: 1<script>alert(123)</script>|[ERROR]There was a problem authenticating your post information. Status: 1. Contacted the author at: May 15, 2009 via http://lussumo.com/ 2. The author corrected the problem in the same day (read here). Publicat de Attila la 11:50 PM 0 comentarii