CVE-2020-7773 - Vulnerability Details - OpenCVE

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);

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Markdown-it-highlightjs Project	Markdown-it-highlightjs

Configuration 1 [-]

cpe:2.3:a:markdown-it-highlightjs_project:markdown-it-highlightjs:*:*:*:*:*:node.js:*:*

No data.

References

Link	Providers
https://github.com/valeriangalliat/markdown-it-highlightjs/blob/v3.3.0/index.js%23L52
https://github.com/valeriangalliat/markdown-it-highlightjs/pull/14
https://snyk.io/vuln/SNYK-JS-MARKDOWNITHIGHLIGHTJS-1040461

History

No history.

MITRE

Status: PUBLISHED

Assigner: snyk

Published: 2020-11-16T12:00:24.377702Z

Updated: 2024-09-16T22:09:13.146Z

Reserved: 2020-01-21T00:00:00

Link: CVE-2020-7773

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-11-16T12:15:14.463

Modified: 2024-11-21T05:37:46.580

Link: CVE-2020-7773

Redhat

No data.

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