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CVE-2019-9844
simple-markdown.js in Khan Academy simple-markdown before 0.4.4 allows XSS via a data: or vbscript: URI.
Medium6.1EPSS 1.3%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
simple-markdown.js in Khan Academy simple-markdown before 0.4.4 allows XSS via a data: or vbscript: URI.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 1.3% · top 30% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmsimple-markdownGHSA-qj3f-9gmq-fwv5 (opens in a new tab)
References (5)
- https://github.com/Khan/simple-markdown/pull/63 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.npmjs.com/package/simple-markdown/v/0.4.4 (opens in a new tab)x_refsource_MISCx_transferred
- FEDORA-2019-bce274cbf6 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2019-8e7c71f45b (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2019-36ce1cb623 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-qj3f-9gmq-fwv5 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-9844)Record last updated .