{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ASSIGNER": "report@snyk.io",
        "DATE_PUBLIC": "2020-11-16T11:58:00.563282Z",
        "ID": "CVE-2020-7773",
        "STATE": "PUBLIC",
        "TITLE": "Cross-site Scripting (XSS)"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "markdown-it-highlightjs",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "3.3.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Cross-site Scripting (XSS)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-JS-MARKDOWNITHIGHLIGHTJS-1040461",
                "name": "https://snyk.io/vuln/SNYK-JS-MARKDOWNITHIGHLIGHTJS-1040461"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/valeriangalliat/markdown-it-highlightjs/pull/14",
                "name": "https://github.com/valeriangalliat/markdown-it-highlightjs/pull/14"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/valeriangalliat/markdown-it-highlightjs/blob/v3.3.0/index.js%23L52",
                "name": "https://github.com/valeriangalliat/markdown-it-highlightjs/blob/v3.3.0/index.js%23L52"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "This affects the package markdown-it-highlightjs before 3.3.1. It is possible insert malicious JavaScript as a value of lang in the markdown-it-highlightjs Inline code highlighting feature. const markdownItHighlightjs = require(\"markdown-it-highlightjs\"); const md = require('markdown-it'); const reuslt_xss = md() .use(markdownItHighlightjs, { inline: true }) .render('console.log(42){.\">js}'); console.log(reuslt_xss);"
            }
        ]
    },
    "impact": {
        "cvss": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "privilegesRequired": "NONE",
            "userInteraction": "REQUIRED",
            "scope": "UNCHANGED",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "availabilityImpact": "NONE"
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "ooooooo_q"
        }
    ]
}