GHSA-mg69-6j3m-jvgw
HTML Injection in marky-markdown
GHSA-mg69-6j3m-jvgw is a high vulnerability (CVSS 7.3) in marky-markdown, published September 3, 2020. No source lists public exploit code. No source names a fixed version.
- Severity
- 7.3 HighCVSS 3.1, GitHub Advisories
- 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. The package fails to sanitize style attributes in img tags of the markdown input. This may allow attackers to affect the size of images in the rendered HTML.
Recommendation
This package is no longer maintained. Please upgrade to @npmcorp/marky-markdown
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Affected packages
| Package | Affected | Fixed |
|---|---|---|
marky-markdownnpm | 0.0.0 and later | None known |
What each source reports
GitHub Advisories Score used
HTML Injection in marky-markdown
All versions of marky-markdown are vulnerable to HTML Injection. The package fails to sanitize style attributes in img tags of the markdown input. This may allow attackers to affect the size of images in the rendered HTML.
Recommendation
This package is no longer maintained. Please upgrade to @npmcorp/marky-markdown
- Record
GHSA-mg69-6j3m-jvgw- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
HTML Injection in marky-markdown
All versions of marky-markdown are vulnerable to HTML Injection. The package fails to sanitize style attributes in img tags of the markdown input. This may allow attackers to affect the size of images in the rendered HTML.
Recommendation
This package is no longer maintained. Please upgrade to @npmcorp/marky-markdown
- Record
GHSA-mg69-6j3m-jvgw- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - 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.