CVE-2026-55596

{"id": "CVE-2026-55596", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-55596", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-09T13:40:39.729677Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.7, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.8, "exploitabilityScore": 2.3}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "udecode", "product": "plate", "versions": [{"status": "affected", "version": ">= 53.0.0, < 53.1.4"}]}]}], "published": "2026-07-08T21:16:50.247", "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"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "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."}], "lastModified": "2026-07-10T19:06:45.623", "sourceIdentifier": "security-advisories@github.com"}