{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-05T23:18:33.783","vulnerabilities":[{"cve":{"id":"CVE-2021-22540","sourceIdentifier":"cve-coordination@google.com","published":"2021-04-22T15:15:07.930","lastModified":"2024-11-21T05:50:18.160","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Bad validation logic in the Dart SDK versions prior to 2.12.3 allow an attacker to use an XSS attack via DOM clobbering. The validation logic in dart:html for creating DOM nodes from text did not sanitize properly when it came across template tags."},{"lang":"es","value":"Una mala lógica de comprobación en el Dart SDK versiones anteriores a 2.12.3 permite a un atacante usar un ataque de tipo XSS por medio de DOM clobbering.&#xa0;La lógica de comprobación en dart: html para crear nodos DOM a partir de texto no se saneaban apropiadamente cuando se encontraba con etiquetas de plantilla"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.7}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"cve-coordination@google.com","type":"Secondary","description":[{"lang":"en","value":"CWE-79"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-79"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:dart:dart_software_development_kit:*:*:*:*:*:*:*:*","versionEndExcluding":"2.12.3","matchCriteriaId":"E9ECB219-E894-4499-9918-2199CA9532EA"}]}]}],"references":[{"url":"https://github.com/dart-lang/sdk/commit/ce5a1c2392debce967415d4c09359ff2555e3588","source":"cve-coordination@google.com","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/dart-lang/sdk/security/advisories/GHSA-3rfv-4jvg-9522","source":"cve-coordination@google.com","tags":["Broken Link"]},{"url":"https://github.com/dart-lang/sdk/commit/ce5a1c2392debce967415d4c09359ff2555e3588","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/dart-lang/sdk/security/advisories/GHSA-3rfv-4jvg-9522","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Broken Link"]}]}}]}