CSP for Material UI (MUI): What Actually Works
Material UI is one of those libraries that makes frontend teams fast and security teams nervous. The problem is simple: MUI relies on runtime-generated CSS. CSP, if you configure it properly, is hostile to runtime-generated inline styles unless you make an exception. That tension forces a choice: loosen your policy, wire up nonces correctly, or rethink how styles are injected. If you’re building with MUI, the right CSP setup depends on which styling path you’re using: ...