Cross-Site Scripting in markdown-to-jsx
Priority LOW 38CWE-79Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-79.
Summary
Versions of `markdown-to-jsx` prior to 6.11.4 are vulnerable to Cross-Site Scripting. Due to insufficient input sanitization the package may render output containing malicious JavaScript. This vulnerability can be exploited through input of links containing `data` or VBScript URIs and a base64-encoded payload. ## Recommendation Upgrade to version 6.11.4 or later.
Why it matters now
Fix Fixed markdown-to-jsx (npm): 6.11.4
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | markdown-to-jsx (npm) | before 6.11.4 | 6.11.4 | Patch available | GHSA-ccrp-c664-8p4j |
- markdown-to-jsx (npm) Vendor— Affected before 6.11.4 Fixed in 6.11.4 Patch available GHSA-ccrp-c664-8p4j
Remediation
- Fix · GHSA-ccrp-c664-8p4j markdown-to-jsx (npm) Fixed in 6.11.4 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-ccrp-c664-8p4j
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences