webpack-dev-server vulnerable to cross-origin WebSocket access via proxied upgrades

{
                    "vendor": "webpack-dev-server",
                    "product": "webpack-dev-server",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "versionType": "semver",
                            "status": "affected",
                            "version": "0",
                            "lessThan": "5.2.7"
                        },
                        {
                            "versionType": "semver",
                            "status": "unaffected",
                            "version": "5.2.7"
                        },
                        {
                            "versionType": "semver",
                            "status": "affected",
                            "version": "6.0.0",
                            "lessThan": "6.1.0"
                        },
                        {
                            "versionType": "semver",
                            "status": "unaffected",
                            "version": "6.1.0"
                        }
                    ],
                    "packageURL": "pkg:npm/webpack-dev-server"
                }