# Ultra Light Forum Persistant XSS Vulnerability # By cr4wl3r http://bastardlabs.info # http://bastardlabs.info/advisories/?id=86 # Script: http://sourceforge.net/projects/ultralightforum/files/ # Tested: Win 7 Description : Ultra Light Forum developed in PHP and MySQL as a standalone forum with high speed, high user-friendliness. User can create, delete topic, can reply to others topic. The forum also comes with poll, where user can vote. To know more try UL Forum. Proof of Concept : Choose profile settings, and put the messages box with <script>alert(document.cookie)</script> And update your profile So if any user can view you profile, the script will be execute Demo: http://bastardlabs.info/demo/ultraforum1.png http://bastardlabs.info/demo/ultraforum2.png