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markdown-it-decorate@1.1.0 vulnerabilities

Add classes, identifiers and attributes to your markdown with HTML comments

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Direct Vulnerabilities

Known vulnerabilities in the markdown-it-decorate package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • H
Cross-site Scripting (XSS)

markdown-it-decorate is an Add classes, identifiers and attributes to your markdown with HTML comments

Affected versions of this package are vulnerable to Cross-site Scripting (XSS). An attacker can add an event handler or use javascript:xxx for the link.

PoC

const md = require('markdown-it')()
.use(require('markdown-it-decorate'))

let result = md.render('# Hello! n[javascript:alert(1)](a)')
console.log(result)

result = md.render('# Hello! n![a](a)')
console.log(result)

How to fix Cross-site Scripting (XSS)?

There is no fixed version for markdown-it-decorate.

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