{
    "CVE_data_meta": {
        "AKA": "Wordfence",
        "ASSIGNER": "security@wordfence.com",
        "DATE_PUBLIC": "2021-12-08T13:23:00.000Z",
        "ID": "CVE-2021-41836",
        "STATE": "PUBLIC",
        "TITLE": "Fathom Analytics <= 3.0.4 Authenticated Stored Cross-Site Scripting"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Fathom Analytics ",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "3.0.4",
                                            "version_value": "3.0.4"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Fathom Analytics "
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Jos\u00e9 Aguilera"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The Fathom Analytics WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and escaping via the $site_id parameter found in the ~/fathom-analytics.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 3.0.4. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-79 Cross-site Scripting (XSS)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-41836",
                "name": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-41836"
            },
            {
                "refsource": "MISC",
                "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2641005%40fathom-analytics&new=2641005%40fathom-analytics&sfp_email=&sfph_mail=",
                "name": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2641005%40fathom-analytics&new=2641005%40fathom-analytics&sfp_email=&sfph_mail="
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "Update to version 3.0.5, or newer. "
        }
    ],
    "source": {
        "discovery": "EXTERNAL"
    }
}