WP Booking System <= 2.1.0.3 - Missing Authorization to Authenticated (Subscriber+) Privilege Escalation via 'user_permission' Parameter via Cross-Form Nonce Reuse

{
                    "vendor": "murgroland",
                    "product": "WP Booking System – Booking Calendar",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThanOrEqual": "2.1.0.3",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }