CVE-2019-9844: XSS
First published: Fri Mar 15 2019(Updated: )
simple-markdown.js in Khan Academy simple-markdown before 0.4.4 allows XSS via a data: or vbscript: URI.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Khan Academy Simple Markdown | <0.4.4 | |
| Fedora | =30 |
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Reference Links
- https://github.com/Khan/simple-markdown/pull/63
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JFLP3KJVSV5VWMNEBRXLGRVYFXOV5KOG/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KZG2I7VH7WLSEUQ77KYP5CRAVFT2RK2U/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O5EFW655O3BXZYAPB65XEREXB2DSNSOT/
- https://www.npmjs.com/package/simple-markdown/v/0.4.4
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KZG2I7VH7WLSEUQ77KYP5CRAVFT2RK2U/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JFLP3KJVSV5VWMNEBRXLGRVYFXOV5KOG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O5EFW655O3BXZYAPB65XEREXB2DSNSOT/
Frequently Asked Questions
What is the severity of CVE-2019-9844?
CVE-2019-9844 has a medium severity level due to its potential for XSS attacks.
How do I fix CVE-2019-9844?
To fix CVE-2019-9844, upgrade simple-markdown.js to version 0.4.4 or later.
What types of vulnerabilities does CVE-2019-9844 contain?
CVE-2019-9844 contains cross-site scripting (XSS) vulnerabilities via data: or vbscript: URIs.
Which software versions are affected by CVE-2019-9844?
Versions of Khan Academy simple-markdown before 0.4.4 and Fedora 30 are affected by CVE-2019-9844.
Can CVE-2019-9844 impact my web applications?
Yes, CVE-2019-9844 can impact web applications that utilize the affected versions of simple-markdown.js, potentially allowing XSS attacks.
- agent/type
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