osirium Posted September 5, 2017 Report Posted September 5, 2017 How can I use CSS-in-JS securely? " CSS-in-JS is an exciting new technology that completely eliminates the need for CSS class names. It makes it possible to add styles directly to your components, using the full power of CSS. Unfortunately, it also promotes interpolation of unescaped props into that CSS, opening you up to injection attacks. And CSS injection attacks are a major security hazard. " Source: https://reactarmory.com/answers/how-can-i-use-css-in-js-securely 1 Quote