WordPress Client Invoicing by Sprout Invoices plugin <= 20.8.17 - Insecure Direct Object References (IDOR) vulnerability

{
                    "vendor": "BoldGrid",
                    "collectionURL": "https://wordpress.org/plugins",
                    "defaultStatus": "unaffected",
                    "packageName": "sprout-invoices",
                    "product": "Client Invoicing by Sprout Invoices",
                    "versions": [
                        {
                            "lessThanOrEqual": "20.8.17",
                            "status": "affected",
                            "version": "n/a",
                            "versionType": "custom",
                            "changes": [
                                {
                                    "at": "20.8.18",
                                    "status": "unaffected"
                                }
                            ]
                        }
                    ]
                }