{ "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2020-4070", "STATE": "PUBLIC", "TITLE": "Cross-site Scripting in CSS Validator" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "CSS Validator", "version": { "version_data": [ { "version_value": "<= 54d68a1" } ] } } ] }, "vendor_name": "World Wide Web Consortium (W3C)" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "In CSS Validator less than or equal to commit 54d68a1, there is a cross-site scripting vulnerability in handling URIs. A user would have to click on a specifically crafted validator link to trigger it. This has been patched in commit e5c09a9." } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/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/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c", "refsource": "CONFIRM", "url": "https://github.com/w3c/css-validator/security/advisories/GHSA-wf36-7w73-rh8c" }, { "name": "https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b", "refsource": "MISC", "url": "https://github.com/w3c/css-validator/commit/e5c09a9119167d3064db786d5f00d730b584a53b" } ] }, "source": { "advisory": "GHSA-wf36-7w73-rh8c", "discovery": "UNKNOWN" } }