My Calendar <= 3.8.7 - Unauthenticated Privilege Escalation to 'mcs' Parameter via Reflected Shortcode Injection into 'above' Attribute

{
                    "vendor": "joedolson",
                    "product": "My Calendar – Accessible Event Manager",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThanOrEqual": "3.4.24",
                            "versionType": "semver"
                        },
                        {
                            "version": "3.5",
                            "status": "affected",
                            "lessThanOrEqual": "3.5.21",
                            "versionType": "semver"
                        },
                        {
                            "version": "3.6",
                            "status": "affected",
                            "lessThanOrEqual": "3.6.17",
                            "versionType": "semver"
                        },
                        {
                            "version": "3.7",
                            "status": "affected",
                            "lessThanOrEqual": "3.7.17",
                            "versionType": "semver"
                        },
                        {
                            "version": "3.8",
                            "status": "affected",
                            "lessThanOrEqual": "3.8.7",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }