{
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "Movable Type",
                    "vendor": "Six Apart Ltd.",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "Movable Type 7 r.4903 and earlier (Movable Type 7 Series), Movable Type 6.8.0 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series), Movable Type Premium 1.44 and earlier, and Movable Type Premium Advanced 1.44 and earlier"
                        }
                    ]
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            "descriptions": [
                {
                    "lang": "en",
                    "value": "Cross-site scripting vulnerability in Create screens of Entry, Page, and Content Type of Movable Type (Movable Type 7 r.4903 and earlier (Movable Type 7 Series), Movable Type 6.8.0 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series), Movable Type Premium 1.44 and earlier, and Movable Type Premium Advanced 1.44 and earlier) allows remote attackers to inject arbitrary script or HTML via unspecified vectors."
                }
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            "problemTypes": [
                {
                    "descriptions": [
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                            "description": "Cross-site scripting",
                            "lang": "en",
                            "type": "text"
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            "providerMetadata": {
                "dateUpdated": "2021-08-26T01:20:35.000Z",
                "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
                "shortName": "jpcert"
            },
            "references": [
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://movabletype.org/news/2021/08/mt-780-681-released.html"
                },
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://jvn.jp/en/jp/JVN97545738/index.html"
                }
            ],
            "x_legacyV4Record": {
                "CVE_data_meta": {
                    "ASSIGNER": "vultures@jpcert.or.jp",
                    "ID": "CVE-2021-20809",
                    "STATE": "PUBLIC"
                },
                "affects": {
                    "vendor": {
                        "vendor_data": [
                            {
                                "product": {
                                    "product_data": [
                                        {
                                            "product_name": "Movable Type",
                                            "version": {
                                                "version_data": [
                                                    {
                                                        "version_value": "Movable Type 7 r.4903 and earlier (Movable Type 7 Series), Movable Type 6.8.0 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series), Movable Type Premium 1.44 and earlier, and Movable Type Premium Advanced 1.44 and earlier"
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                                "vendor_name": "Six Apart Ltd."
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                "data_type": "CVE",
                "data_version": "4.0",
                "description": {
                    "description_data": [
                        {
                            "lang": "eng",
                            "value": "Cross-site scripting vulnerability in Create screens of Entry, Page, and Content Type of Movable Type (Movable Type 7 r.4903 and earlier (Movable Type 7 Series), Movable Type 6.8.0 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series), Movable Type Premium 1.44 and earlier, and Movable Type Premium Advanced 1.44 and earlier) allows remote attackers to inject arbitrary script or HTML via unspecified vectors."
                        }
                    ]
                },
                "problemtype": {
                    "problemtype_data": [
                        {
                            "description": [
                                {
                                    "lang": "eng",
                                    "value": "Cross-site scripting"
                                }
                            ]
                        }
                    ]
                },
                "references": {
                    "reference_data": [
                        {
                            "name": "https://movabletype.org/news/2021/08/mt-780-681-released.html",
                            "refsource": "MISC",
                            "url": "https://movabletype.org/news/2021/08/mt-780-681-released.html"
                        },
                        {
                            "name": "https://jvn.jp/en/jp/JVN97545738/index.html",
                            "refsource": "MISC",
                            "url": "https://jvn.jp/en/jp/JVN97545738/index.html"
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                    ]
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            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T17:53:22.889Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://movabletype.org/news/2021/08/mt-780-681-released.html"
                    },
                    {
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                        "url": "https://jvn.jp/en/jp/JVN97545738/index.html"
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        ]
    },
    "cveMetadata": {
        "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "assignerShortName": "jpcert",
        "cveId": "CVE-2021-20809",
        "datePublished": "2021-08-26T01:20:35.000Z",
        "dateReserved": "2020-12-17T00:00:00.000Z",
        "dateUpdated": "2024-08-03T17:53:22.889Z",
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