Hey what's up? Website : ghostkernel.org Vulnerability : Stored XSS Discovered and Explored by @uromulou 1 . Go to website. 2 . Get in some news commentary. 3 . Click In "Write a Comment...". 4 . In the name put your JS code, my is: <script>alert('@uromulou: Reporting Stored XSS');</script> . 5 . In the email, if you're smart, you probably didn't put your real address. 6 . In the comment put anything, the real problem is in the name. 7 . Solve captcha, it's annoying. And ready! you just put your code on the site. Some examples : https://ghostkernel.org/news/shared-library-support-added-61#comments https://ghostkernel.org/news/started-redux-58#comments https://ghostkernel.org/news/documentation-available-59#comments