First of all, let me make it clear that this article is not about XSS in Bootstrap itself (the very popular libraries originally from Twitter to fancify your website), it’s about XSS as a result of using Bootstrap in an insecure fashion. It’s based on a real penetration test – the site in question wasn’t vulnerable but it was immediately clear how things could have gone wrong. I thought it would be an interesting XSS article, being both DOM-based and making use of a big-name library like Bootstrap. Continue reading →