Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-m7qm-r2r5-f77q
Advisory ID github_osv/GHSA-m7qm-r2r5-f77q
Aliases
Summary Cross-Site Scripting in react-marked-markdown All versions of `react-marked-markdown` are vulnerable to cross-site scripting (XSS) via `href` attributes. This is exploitable if user is provided to `react-marked-markdown` 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') ) ``` ## Recommendation No fix is currently available for this vulnerability. It is our recommendation to not install or use this module at this time if you allow user input into href values.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
System Score Found at
generic_textual HIGH
Reference id Reference type URL
https://github.com/Vincent-P/react-marked-markdown
https://github.com/Vincent-P/react-marked-markdown/issues/61
https://hackerone.com/reports/344069
https://www.npmjs.com/advisories/668
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
There are no known vectors.

There are no SSVC decisions available.