markdown-it-highlightjs@3.1.0 vulnerabilities

markdown-it-highlightjs is a Preset to use highlight.js with markdown-it.

Affected versions of this package are vulnerable to Cross-site Scripting (XSS). It is possible insert malicious JavaScript as a value of lang in the markdown-it-highlightjs Inline code highlighting feature.

const markdownItHighlightjs = require("markdown-it-highlightjs");
const md = require('markdown-it');

const reuslt_xss = md()
.use(markdownItHighlightjs, { inline: true })
.render('`console.log(42)`{.">js}');

console.log(reuslt_xss);

Upgrade markdown-it-highlightjs to version 3.3.1 or higher.