The Most Common XSS Vulnerability in React.js Applications

People are often drawn towards using React.js thanks to the benefits of isomorphic (or universal) rendering. That is, the ability to render your single page application on the server-side, send the html to the client and have the client become interactive without having to re-rendering the entire page.

Libraries like Redux even have documentation as to just how to provide this functionality. In their documentation they featured the following code snippet: