CVE-2019-9844: XSS

Published Mar 15, 2019
·
Updated

simple-markdown.js in Khan Academy simple-markdown before 0.4.4 allows XSS via a data: or vbscript: URI.

Affected Software

2 affected components
Khanacademy Simple-markdown Node.js<0.4.4
Fedoraproject Fedora=30

Event History

Mar 15, 2019
CVE Published
via MITRE·11:00 PM
Data Sourced
via MITRE·11:00 PM
Description
Apr 9, 2019
Data Sourced
via NVD·02:29 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2019-9844?

CVE-2019-9844 has a medium severity level due to its potential for XSS attacks.

2

How do I fix CVE-2019-9844?

To fix CVE-2019-9844, upgrade simple-markdown.js to version 0.4.4 or later.

3

What types of vulnerabilities does CVE-2019-9844 contain?

CVE-2019-9844 contains cross-site scripting (XSS) vulnerabilities via data: or vbscript: URIs.

4

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.

5

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.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203