Unsanitized JavaScript code injection possible in gatsby-plugin-mdx

Description

The gatsby-plugin-mdx plugin prior to versions 3.15.2 and 2.14.1 passes input through to the gray-matter npm package, which is vulnerable to JavaScript injection in its default configuration, unless input is sanitized.

Recommendation

Update the gatsby-plugin-mdx package to the latest compatible version. Followings are version details:

• Affected version(s): **>= 3.0.0, < 3.15.2

  < 2.14.1**

• Patched version(s): **3.15.2

  2.14.1**

References

• GHSA-mj46-r4gr-5x83
• drive.google.com
• snyk.io
• CVE-2022-25863
• CWE-502
• CAPEC-310
• OWASP 2021-A6
• OWASP 2021-A8

Related Issues

• gatsby-transformer-remark has possible unsanitized JavaScript code injection - CVE-2023-22491
• Improper Control of Generation of Code ('Code Injection') in mdx-mermaid - CVE-2022-36036
• Orval has a code injection via unsanitized x-enum-descriptions in enum generation - CVE-2026-23947
• Orval has Code Injection via unsanitized x-enum-descriptions using JS comments - CVE-2026-25141

You might also like:

How to Secure your NodeJs Express Javascript Application - part 1

How to Secure your NodeJs Express Javascript Application - part 2

How do hackers hack websites?

Tags:

npm

gatsby-plugin-mdx