{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2022-40276","assignerOrgId":"84fe0718-d6bb-4716-a7e8-81a6d1daa869","assignerShortName":"Fluid Attacks","dateUpdated":"2025-05-02T20:10:21.875Z","dateReserved":"2022-09-08T00:00:00.000Z","datePublished":"2022-11-03T00:00:00.000Z"},"containers":{"cna":{"providerMetadata":{"orgId":"84fe0718-d6bb-4716-a7e8-81a6d1daa869","shortName":"Fluid Attacks","dateUpdated":"2022-11-03T00:00:00.000Z"},"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."}],"affected":[{"vendor":"n/a","product":"Zettlr","versions":[{"version":"2.3.0","status":"affected"}]}],"references":[{"url":"https://github.com/Zettlr/Zettlr"},{"url":"https://fluidattacks.com/advisories/avicii/"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"Insecure or unset HTTP headers - Content-Security-Policy"}]}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T12:14:39.985Z"},"title":"CVE Program Container","references":[{"url":"https://github.com/Zettlr/Zettlr","tags":["x_transferred"]},{"url":"https://fluidattacks.com/advisories/avicii/","tags":["x_transferred"]}]},{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-20","lang":"en","description":"CWE-20 Improper Input Validation"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-05-02T20:09:45.522339Z","id":"CVE-2022-40276","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-05-02T20:10:21.875Z"}}]}}