{
    "CVE_data_meta": {
        "ASSIGNER": "security@qnap.com",
        "DATE_PUBLIC": "2021-06-03T02:06:00.000Z",
        "ID": "CVE-2021-28806",
        "STATE": "PUBLIC",
        "TITLE": "DOM-Based XSS Vulnerability in QTS and QuTS hero"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "QTS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "4.5.3.1652 Build 20210428"
                                        },
                                        {
                                            "version_affected": "!",
                                            "version_value": "4.3.6"
                                        },
                                        {
                                            "version_affected": "!",
                                            "version_value": "4.3.3"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "QuTS hero",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "h4.5.2.1638 Build 20210414"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "QuTScloud",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "c4.5.5.1656 Build 20210503"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "QNAP Systems Inc."
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Marcin Zięba"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A DOM-based XSS vulnerability has been reported to affect QNAP NAS running QTS and QuTS hero. If exploited, this vulnerability allows attackers to inject malicious code. \n\nThis issue affects:\nQNAP Systems Inc. QTS\nversions prior to 4.5.3.1652 Build 20210428.\nQNAP Systems Inc. QuTS hero\nversions prior to h4.5.2.1638 Build 20210414.\nQNAP Systems Inc. QuTScloud\nversions prior to c4.5.5.1656 Build 20210503.\n\nThis issue does not affect:\nQNAP Systems Inc. QTS\n4.3.6;\n4.3.3."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-79 Cross-site Scripting (XSS)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "CONFIRM",
                "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-21-22"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "QNAP have already fixed this vulnerability in the following versions:\n\nQTS 4.5.3.1652 Build 20210428 and later\nQuTS hero h4.5.2.1638 Build 20210414 and later\nQuTScloud c4.5.5.1656 Build 20210503 and later\n"
        }
    ],
    "source": {
        "advisory": "QSA-21-22",
        "discovery": "EXTERNAL"
    }
}