CVE-2026-46492 md-fileserver: Stored/Reflected XSS when viewing Markdown (raw HTML allowed)

md-fileserver allows for local viewing of markdown files in a browser. Prior to version 1.10.3, a cross-site scripting XSS vulnerability exists in the application’s Markdown rendering logic. When user-supplied Markdown content is rendered, embedded raw HTML—including tags—is processed and injecte...

CVE-2026-46492 md-fileserver: Stored/Reflected XSS when viewing Markdown (raw HTML allowed)

md-fileserver allows for local viewing of markdown files in a browser. Prior to version 1.10.3, a cross-site scripting XSS vulnerability exists in the application’s Markdown rendering logic. When user-supplied Markdown content is rendered, embedded raw HTML—including tags—is processed and injecte...

CVE-2026-46492

md-fileserver önce 1.10.3 sürümünden önce HTML içeren Markdown içeriğini güvenli olmayan şekilde render ediyor; bu, kullanıcı tarafından sağlanan Markdown içeriğinde yer alan [removed] gibi ham HTML’nin sayfaya güvenliksız olarak enjekte edilmesine yol açıyor. Etkilenen bileşenler arasında Markdo...

Cross-site Scripting (XSS)

Overview md-fileserver is a library to locally view markdown files in a browser. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the Markdown rendering process. An attacker can execute arbitrary JavaScript in the victim's browser by embedding malicious HTML or...