{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2020-6813", "ASSIGNER": "security@mozilla.org", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Mozilla", "product": { "product_data": [ { "product_name": "Firefox", "version": { "version_data": [ { "version_value": "74", "version_affected": "<" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "@import statements in CSS could bypass the Content Security Policy nonce feature" } ] } ] }, "references": { "reference_data": [ { "url": "https://www.mozilla.org/security/advisories/mfsa2020-08/", "refsource": "MISC", "name": "https://www.mozilla.org/security/advisories/mfsa2020-08/" }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1605814", "refsource": "MISC", "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1605814" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "When protecting CSS blocks with the nonce feature of Content Security Policy, the @import statement in the CSS block could allow an attacker to inject arbitrary styles, bypassing the intent of the Content Security Policy. This vulnerability affects Firefox < 74." } ] } }