I have been maintaining a react-scripts alternative currently showing 0 vulnerabilities. It is a simplified react-scripts, it works in much the same way as react-scripts.

react-scripts 5.0.1 library having vulnerable transitive libraries #12790 Open NarahariTagili-Eaton opened on Oct 19, 2022 ...

As of React version 15.5.0 use of this syntax will produce the following warning: Warning: HelloWorld: React.createClass is deprecated and will be removed in version 16.