{"cve":"CVE-2026-55596","nvd":{"published":"2026-07-08T21:16:50.247","modified":"2026-10-25T17:10:00.197","status":"Deferred","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","score":8.7},"cwes":["CWE-79"],"references":["https://github.com/udecode/plate/commit/6214914ca811adf22d0ad503154494216eed68ba","https://github.com/udecode/plate/pull/5014","https://github.com/udecode/plate/releases/tag/v53.1.4","https://github.com/udecode/plate/security/advisories/GHSA-qj6x-xx2h-8hvv","https://github.com/udecode/plate/security/advisories/GHSA-qj6x-xx2h-8hvv"],"products":[],"source":"nvd","synced_at":"2026-10-25T17:50:06.907763985+00:00"},"epss":{"cve":"CVE-2026-55596","score":0.0043,"percentile":0.36968,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-qj6x-xx2h-8hvv","url":"https://osv.dev/vulnerability/GHSA-qj6x-xx2h-8hvv","summary":"Plate: Media embed provider metadata can bypass URL sanitization and execute iframe JavaScript","modified":"2026-08-26T00:40:54.193960932Z","packages":[{"ecosystem":"npm","name":"@platejs/media","purl":"pkg:npm/%40platejs/media","ranges":[">=53.0.0 <53.1.4"],"fixed":["53.1.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}