mews/pos through 2.0.0 Missing Hash Verification in 3D Pay and 3D Host Callbacks

{
                    "vendor": "mewebstudio",
                    "product": "pos",
                    "repo": "https://github.com/mewebstudio/pos",
                    "packageURL": "pkg:composer/mews/pos",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThanOrEqual": "2.0.0"
                        }
                    ]
                }