{
    "CVE_data_meta": {
        "ASSIGNER": "cve@rapid7.com",
        "DATE_PUBLIC": "2021-07-27T13:05:00.000Z",
        "ID": "CVE-2021-3539",
        "STATE": "PUBLIC",
        "TITLE": "EspoCRM Avatar Persistent XSS"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "EspoCRM",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "6.1.6",
                                            "version_value": "6.1.6"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "EspoCRM"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Wiktor Sędkowski of Nokia and Trevor Christiansen of Rapid7 discovered and reported this issue through Rapid7's vulnerability disclosure program."
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "EspoCRM 6.1.6 and prior suffers from a persistent (type II) cross-site scripting (XSS) vulnerability in processing user-supplied avatar images. This issue was fixed in version 6.1.7 of the product."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-79 Cross-site Scripting (XSS)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://www.rapid7.com/blog/post/2021/07/27/multiple-open-source-web-app-vulnerabilities-fixed/",
                "refsource": "MISC",
                "url": "https://www.rapid7.com/blog/post/2021/07/27/multiple-open-source-web-app-vulnerabilities-fixed/"
            }
        ]
    },
    "source": {
        "discovery": "EXTERNAL"
    }
}