Malicious code in @user-interface-common/common-styles (npm)

npm user 'conx3993' published this package in a dependency confusion campaign. It squats a name that looks like an internal package and uses version 66.1.6 so misconfigured resolvers pick it over the real one. Version 0.0.0-stage is an empty placeholder. A 'preinstall' hook runs 'index.js', which...