Versions of webpack-dev-server
before 3.1.10 are missing origin validation on the websocket server. This vulnerability allows a remote attacker to steal a developer's source code because the origin of requests to the websocket server that is used for Hot Module Replacement (HMR) are not validated.
For webpack-dev-server
update to version 3.1.11 or later.
{ "nvd_published_at": null, "github_reviewed_at": "2020-06-16T21:31:15Z", "severity": "HIGH", "github_reviewed": true, "cwe_ids": [ "CWE-20" ] }