{"id":"CVE-2023-5654","state":"PUBLISHED","title":"The React Developer Tools extension registers a message listener with window.addEventListener('message', <listener>) in a content script that is accessible to any webpage that is a","description":"The React Developer Tools extension registers a message listener with window.addEventListener('message', <listener>) in a content script that is accessible to any webpage that is active in the browser. Within the listener is code that requests a URL derived from the received message via fetch(). The URL is not validated or sanitised before it is fetched, thus allowing a malicious web page to arbitrarily fetch URL’s via the victim's browser.","publishedAt":"2023-10-19T14:28:23.769Z","updatedAt":"2024-09-12T14:35:37.964Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","source":"snyk"},"assigner":"snyk","products":["Meta React Developer Tools Extension"],"affected":[{"vendor":"Meta","product":"React Developer Tools Extension","versions":[{"version":"< 4.28.4","status":"affected"}]}],"references":["https://gist.github.com/CalumHutton/1fb89b64409570a43f89d1fd3274b231"],"weaknesses":["CWE-285","CWE-116"],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/5xxx/CVE-2023-5654.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-5654","state":"PUBLISHED","datePublished":"2023-10-19T14:28:23.769Z","dateUpdated":"2024-09-12T14:35:37.964Z","assignerShortName":"snyk","assignerOrgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","dateReserved":"2023-10-19T12:33:43.948Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The React Developer Tools extension registers a message listener with window.addEventListener('message', <listener>) in a content script that is accessible to any webpage that is active in the browser. Within the listener is code that requests a URL derived from the received message via fetch(). The URL is not validated or sanitised before it is fetched, thus allowing a malicious web page to arbitrarily fetch URL’s via the victim's browser."}],"affected":[{"vendor":"Meta","product":"React Developer Tools Extension","versions":[{"version":"< 4.28.4","status":"affected"}]}],"references":[{"url":"https://gist.github.com/CalumHutton/1fb89b64409570a43f89d1fd3274b231"}],"metrics":[{"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"LOW","baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-285","lang":"en","description":"CWE-285: Improper Authorization"}]}],"providerMetadata":{"shortName":"snyk","orgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","dateUpdated":"2023-10-19T14:28:23.769Z"},"credits":[{"lang":"en","value":"Calum Hutton, Snyk"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://gist.github.com/CalumHutton/1fb89b64409570a43f89d1fd3274b231","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T08:07:32.588Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-10T13:31:19.969276Z","id":"CVE-2023-5654","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-116","type":"CWE","lang":"en","description":"CWE-116 Improper Encoding or Escaping of Output"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-12T14:35:37.964Z"}}]}}}