{"id":"CVE-2026-55596","sourceIdentifier":"security-advisories@github.com","published":"2026-07-08T21:16:50.247","lastModified":"2026-10-25T17:10:00.197","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"Plate is a rich-text editor with AI and shadcn/ui. From 53.0.0 until 53.1.4, the media embed renderer trusts serialized provider or sourceUrl metadata in useMediaState and skips parseMediaUrl protocol validation, allowing a crafted Plate document to set a known video provider while keeping url as a javascript: iframe source that the registry MediaEmbedElement renders directly as an iframe src when a victim opens the document. This issue is fixed in version 53.1.4."},{"lang":"es","value":"Plate es un editor de texto enriquecido con IA y shadcn/ui. Desde la versión 53.0.0 hasta la 53.1.4, el renderizador de incrustación de medios confía en los metadatos serializados de provider o sourceUrl en useMediaState y omite la validación del protocolo parseMediaUrl, permitiendo que un documento Plate manipulado establezca un proveedor de video conocido mientras mantiene la URL como una fuente de iframe javascript_disabled: que el MediaEmbedElement del registro renderiza directamente como un iframe src cuando una víctima abre el documento. Este problema se ha solucionado en la versión 53.1.4."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"udecode","product":"plate","versions":[{"version":">= 53.0.0, < 53.1.4","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","baseScore":8.7,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.3,"impactScore":5.8}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-09T13:40:39.729677Z","id":"CVE-2026-55596","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-79"}]}],"references":[{"url":"https://github.com/udecode/plate/commit/6214914ca811adf22d0ad503154494216eed68ba","source":"security-advisories@github.com"},{"url":"https://github.com/udecode/plate/pull/5014","source":"security-advisories@github.com"},{"url":"https://github.com/udecode/plate/releases/tag/v53.1.4","source":"security-advisories@github.com"},{"url":"https://github.com/udecode/plate/security/advisories/GHSA-qj6x-xx2h-8hvv","source":"security-advisories@github.com"},{"url":"https://github.com/udecode/plate/security/advisories/GHSA-qj6x-xx2h-8hvv","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}