django-haystack more_like_this Template Tag elasticsearch_backend.py _to_python eval injection

{
                    "vendor": "n/a",
                    "product": "django-haystack",
                    "versions": [
                        {
                            "version": "3.0",
                            "status": "affected"
                        },
                        {
                            "version": "3.1",
                            "status": "affected"
                        },
                        {
                            "version": "3.2",
                            "status": "affected"
                        },
                        {
                            "version": "3.3.0",
                            "status": "affected"
                        },
                        {
                            "version": "3.4.0",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:django-haystack:django-haystack:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "more_like_this Template Tag Handler"
                    ]
                }