@platejs/core HTML deserialization can trigger browser behavior during parsing

Summary HTML strings passed to Plate's core deserialization APIs were parsed in the active document. Certain HTML attributes could therefore trigger browser behavior during parsing, before the content was converted into editor nodes. Applications that deserialize HTML from untrusted or cross-user...

GHSA-QRFJ-MGW8-J9C6 @platejs/core HTML deserialization can trigger browser behavior during parsing

Summary HTML strings passed to Plate's core deserialization APIs were parsed in the active document. Certain HTML attributes could therefore trigger browser behavior during parsing, before the content was converted into editor nodes. Applications that deserialize HTML from untrusted or cross-user...

Cross-site Scripting (XSS)

Overview @platejs/core is a The core of Plate – a plugin system for slate Affected versions of this package are vulnerable to Cross-site Scripting XSS through the htmlStringToDOMNode and getEditorDOMFromHtmlString parsers in packages/core/src/lib/plugins/html/utils/htmlStringToDOMNode.ts and...

CVE-2026-88976 @platejs/core HTML deserialization can trigger browser behavior during parsing

Plate is a rich-text editor with AI and shadcn/ui. Prior to 53.3.11, and in the discontinued 54.0.0-beta.0 through 54.0.0-beta.1 builds, Plate core HTML deserialization APIs parse supplied HTML strings in the active document. When an application passes untrusted or cross-user HTML to these APIs,...

CVE-2026-88976 @platejs/core HTML deserialization can trigger browser behavior during parsing

Plate is a rich-text editor with AI and shadcn/ui. Prior to 53.3.11, and in the discontinued 54.0.0-beta.0 through 54.0.0-beta.1 builds, Plate core HTML deserialization APIs parse supplied HTML strings in the active document. When an application passes untrusted or cross-user HTML to these APIs,...

CVE-2026-88976

Plate (a rich-text editor with AI and shadcn/ui support) is vulnerable to a stored cross-site scripting (XSS) issue in its core HTML deserialization APIs. Prior to 53.3.11 , and in the discontinued 54.0.0-beta.0 through 54.0.0-beta.1 builds, supplied HTML strings are parsed in the active document...