{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2023-23602","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","assignerShortName":"mozilla","dateUpdated":"2025-12-18T15:22:56.025Z","dateReserved":"2023-01-16T00:00:00.000Z","datePublished":"2023-06-02T00:00:00.000Z"},"containers":{"cna":{"affected":[{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThan":"109","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"Firefox ESR","vendor":"Mozilla","versions":[{"lessThan":"102.7","status":"affected","version":"unspecified","versionType":"custom"}]},{"product":"Thunderbird","vendor":"Mozilla","versions":[{"lessThan":"102.7","status":"affected","version":"unspecified","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers. This vulnerability affects Firefox < 109, Firefox ESR < 102.7, and Thunderbird < 102.7.","supportingMedia":[{"type":"text/html","base64":false,"value":"A mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers. This vulnerability affects Firefox < 109, Firefox ESR < 102.7, and Thunderbird < 102.7."}]}],"title":"Content Security Policy wasn't being correctly applied to WebSockets in WebWorkers","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1800890"},{"url":"https://www.mozilla.org/security/advisories/mfsa2023-01/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2023-02/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2023-03/"}],"credits":[{"lang":"en","value":"Dave Vandyke"}],"providerMetadata":{"orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","shortName":"mozilla","dateUpdated":"2025-12-18T15:22:56.025Z"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T10:35:33.382Z"},"title":"CVE Program Container","references":[{"url":"https://www.mozilla.org/security/advisories/mfsa2023-02/","tags":["x_transferred"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2023-01/","tags":["x_transferred"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2023-03/","tags":["x_transferred"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1800890","tags":["x_transferred"]}]},{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-754","lang":"en","description":"CWE-754 Improper Check for Unusual or Exceptional Conditions"}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1800890","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-01-10T18:16:34.899929Z","id":"CVE-2023-23602","options":[{"Exploitation":"poc"},{"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":"2025-01-10T18:16:39.131Z"}}]}}