CVE-2026-73492

Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. From 2.25.0 until 2.25.2, Loofah::HTML5::Scrub.alloweduri? does not reject javascript: or vbscript: URIs whose scheme is split by semicolon-less numeric character references...

Cross site scripting

simple-markdown.js in Khan Academy simple-markdown before 0.4.4 allows XSS via a data: or vbscript: URI...

CVE-2019-9844

CVE-2019-9844 affects the Node package simple-markdown (Khan Academy’s simple-markdown) up to version 0.4.3. The vulnerability is a Cross‑Site Scripting (XSS) flaw caused by insufficient input sanitization in links, enabling execution of malicious JavaScript via data: or VBScript: URIs. The issue...