Cross-Site Scripting in markdown-it-katex

Description

All versions of markdown-it-katex are vulnerable to Cross-Site Scripting (XSS). The package fails to properly escape error messages, which may allow attackers to execute arbitrary JavaScript in a victim’s browser by triggering an error.

Recommendation

No fix is available yet. Followings are affected versions:

• >= 0.0.0

References

• GHSA-5ff8-jcf9-fw62
• www.npmjs.com
• CWE-79
• OWASP 2021-A3

Related Issues

• Cross-Site Scripting in react-marked-markdown - Vulnerability
• Cross-Site Scripting in markdown-to-jsx - markdown-to-jsx - Vulnerability
• CKEditor5 cross-site scripting vulnerability caused by the editor instance destroying process - @ckeditor/ckeditor5-markdown-gfm - CVE-2022-31175
• @braintree/sanitize-url Cross-site Scripting vulnerability - CVE-2022-48345

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How to Secure your NodeJs Express Javascript Application - part 1

How to Secure your NodeJs Express Javascript Application - part 2

10 Secure Coding Best Practices to Follow in Every Project

Tags:

npm

markdown-it-katex