{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-4140", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "dateUpdated": "2022-12-22T00:00:00", "dateReserved": "2021-12-20T00:00:00", "datePublished": "2022-12-22T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2022-12-22T00:00:00"}, "descriptions": [{"lang": "en", "value": "It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5."}], "affected": [{"vendor": "Mozilla", "product": "Firefox ESR", "versions": [{"version": "unspecified", "lessThan": "91.5", "status": "affected", "versionType": "custom"}]}, {"vendor": "Mozilla", "product": "Firefox", "versions": [{"version": "unspecified", "lessThan": "96", "status": "affected", "versionType": "custom"}]}, {"vendor": "Mozilla", "product": "Thunderbird", "versions": [{"version": "unspecified", "lessThan": "91.5", "status": "affected", "versionType": "custom"}]}], "references": [{"url": "https://www.mozilla.org/security/advisories/mfsa2022-01/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2022-02/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2022-03/"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1746720"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "Iframe sandbox bypass with XSLT"}]}]}}}

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