{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T06:38:28.819","vulnerabilities":[{"cve":{"id":"CVE-2022-40276","sourceIdentifier":"help@fluidattacks.com","published":"2022-11-03T20:15:31.290","lastModified":"2025-05-02T21:15:19.000","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Zettlr version 2.3.0 allows an external attacker to remotely obtain arbitrary local files on any client that attempts to view a malicious markdown file through Zettlr. This is possible because the application does not have a CSP policy (or at least not strict enough) and/or does not properly validate the contents of markdown files before rendering them."},{"lang":"es","value":"La versión 2.3.0 de Zettlr permite a un atacante externo obtener de forma remota archivos locales arbitrarios en cualquier cliente que intente ver un archivo de rebajas malicioso a través de Zettlr. Esto es posible porque la aplicación no tiene una política CSP (o al menos no es lo suficientemente estricta) y/o no valida adecuadamente el contenido de los archivos Markdown antes de renderizarlos."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":1.8,"impactScore":3.6},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-20"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-20"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:zettlr:zettlr:2.3.0:*:*:*:*:*:*:*","matchCriteriaId":"916F2F06-64C8-426E-854F-E6035C9C80CF"}]}]}],"references":[{"url":"https://fluidattacks.com/advisories/avicii/","source":"help@fluidattacks.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/Zettlr/Zettlr","source":"help@fluidattacks.com","tags":["Product","Third Party Advisory"]},{"url":"https://fluidattacks.com/advisories/avicii/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/Zettlr/Zettlr","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Product","Third Party Advisory"]}]}}]}