{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2021-32667",
        "STATE": "PUBLIC",
        "TITLE": "Cross-Site Scripting in Page Preview"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "TYPO3.CMS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": ">= 9.0.0, < 9.5.29"
                                        },
                                        {
                                            "version_value": ">= 10.0.0, < 10.4.18"
                                        },
                                        {
                                            "version_value": ">= 11.0.0, < 11.3.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "TYPO3"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "TYPO3 is an open source PHP based web content management system. Versions 9.0.0 through 9.5.28, 10.0.0 through 10.4.17, and 11.0.0 through 11.3.0 have a cross-site scripting vulnerability. When _Page TSconfig_ settings are not properly encoded, corresponding page preview module (_Web>View_) is vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability. TYPO3 versions 9.5.29, 10.4.18, 11.3.1 contain a patch for this issue."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-8mq9-fqv8-59wf",
                "refsource": "CONFIRM",
                "url": "https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-8mq9-fqv8-59wf"
            },
            {
                "name": "https://typo3.org/security/advisory/typo3-core-sa-2021-009",
                "refsource": "MISC",
                "url": "https://typo3.org/security/advisory/typo3-core-sa-2021-009"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-8mq9-fqv8-59wf",
        "discovery": "UNKNOWN"
    }
}