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react-marked-markdown@1.3.3

Some React Components to use Markdown easily

  • latest version

    1.4.6

  • first published

    10 years ago

  • latest version published

    8 years ago

  • deprecated

    Package is deprecated

  • licenses detected

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    Direct Vulnerabilities

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

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    VulnerabilityVulnerable Version
    • C
    Cross-site Scripting (XSS)

    react-marked-markdown is a react components package that helps you use Markdown easily.

    Affected versions of this package are vulnerable to cross-site scripting (XSS) via href attributes. It uses marked.Render() but overwrites the link method with a custom version that doesn't correctly escape values passed to the href prop of anchor components.

    Proof of concept:

    import React from 'react'
import ReactDOM from 'react-dom'
import { MarkdownPreview } from 'react-marked-markdown'

ReactDOM.render(
<MarkdownPreview
markedOptions={{ sanitize: true }}
value={'[XSS](javascript: alert`1`)'}
/>,
document.getElementById('root')
)

    How to fix Cross-site Scripting (XSS)?

    There is no fix version for react-marked-markdown.

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