In this case it was pretty much addressed: few people have installed the malicious version, due to lockfiles and it being quickly blackholed from the ecosystem,

In this case it was pretty much addressed: few people have installed the malicious version, due to lockfiles and it being quickly blackholed from the ecosystem, by the major package through which this dependency snuck in (vue-cli, IIRC) quickly pinning its dependency to the unaffected version.