GHSA-f246-xrrj-g8j6

Dashboard / Vulnerabilities / GHSA-f246-xrrj-g8j6

GHSA-f246-xrrj-g8j6

Summary: Cross-site Scripting in markdown-it-highlightjs

Details: 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. ```js 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); ```

References: 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