GHSA-pxmp-fwjc-4x7q
HTML Injection in marky-markdown
GHSA-pxmp-fwjc-4x7q is a vulnerability with no CVSS score yet in marky-markdown, published September 3, 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 marky-markdown are vulnerable to HTML Injection due to a validation bypass. The package only allows iframes where the source is youtube.com but it is possible to bypass the validation with sources where youtube.com is the sub-domain, such as youtube.com.evil.co. This
Recommendation
This package is no longer maintained. Please upgrade to @npmcorp/marky-markdown
Affected packages
| Package | Affected | Fixed |
|---|---|---|
marky-markdownnpm | 0.0.0 and later | None known |
What each source reports
GitHub AdvisoriesNo score
HTML Injection in marky-markdown
All versions of marky-markdown are vulnerable to HTML Injection due to a validation bypass. The package only allows iframes where the source is youtube.com but it is possible to bypass the validation with sources where youtube.com is the sub-domain, such as youtube.com.evil.co. This
Recommendation
This package is no longer maintained. Please upgrade to @npmcorp/marky-markdown
- Record
GHSA-pxmp-fwjc-4x7q- Weakness
- CWE-79
- Updated
- 2026-11-02
OSVNo score
HTML Injection in marky-markdown
All versions of marky-markdown are vulnerable to HTML Injection due to a validation bypass. The package only allows iframes where the source is youtube.com but it is possible to bypass the validation with sources where youtube.com is the sub-domain, such as youtube.com.evil.co. This
Recommendation
This package is no longer maintained. Please upgrade to @npmcorp/marky-markdown
- Record
GHSA-pxmp-fwjc-4x7q- 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.