CVE-2026-55596 Plate: Media embed provider metadata can bypass URL sanitization and execute iframe JavaScript

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...

CVE-2026-55596 Plate: Media embed provider metadata can bypass URL sanitization and execute iframe JavaScript

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...

CVE-2026-55596

Plate is a rich-text editor (with AI and shadcn/ui). Affects versions 53.0.0 through 53.1.4 where the media embed renderer trusts serialized provider or sourceUrl metadata in useMediaState and skips parseMediaUrl protocol validation. This allows a crafted Plate document to set a known video provi...

PT-2026-56579

Name of the Vulnerable Software and Affected Versions Plate versions 53.0.0 through 53.1.3 Description The media embed renderer trusts serialized provider or sourceUrl metadata in useMediaState and skips parseMediaUrl protocol validation. This allows a crafted document to specify a known video...