CVE-2026-54701 Markdown Preview Enhanced: Stored XSS via Unsanitized `.crossnote/head.html` Injection in Webview

Markdown Preview Enhanced is a Markdown preview extension for Visual Studio Code. Prior to 0.8.30, Markdown Preview Enhanced reads repository-controlled .crossnote/head.html content and passes it through resolvePathsInHeader before inserting it into the head of the preview webview document withou...

CVE-2026-54701

The Markdown Preview Enhanced extension for Visual Studio Code is vulnerable to Stored XSS in versions prior to 0.8.30 . The extension improperly handles repository-controlled content from .crossnote/head.html by passing it through resolvePathsInHeader and inserting it into the webview head witho...