Reflected XSS into HTML context with all tags blocked except custom ones

Descripción This lab blocks all HTML tags except custom ones. To solve the lab, perform a cross-site scripting attack that injects a custom tag and automatically alerts document.cookie. Reflected XSS into HTML context with all tags blocked except custom ones writeup HTML5 tiene varias etiquetas predefinidas (h1, p, script), pero también da la posibilidad de crear […]