CVE-2022-25863

The package gatsby-plugin-mdx before 2.14.1, from 3.0.0 and before 3.15.2 are vulnerable to Deserialization of Untrusted Data when passing input through to the gray-matter package, due to its default configurations that are missing input sanitization. Exploiting this vulnerability is possible when passing input in both webpack (MDX files in src/pages or MDX file imported as a component in frontend / React code) and data mode (querying MDX nodes via GraphQL). Workaround: If an older version of gatsby-plugin-mdx must be used, input passed into the plugin should be sanitized ahead of processing.

• CWE-502

• https://drive.google.com/file/d/1EoCzbwTWOM8-fjvwMbH3bqcZ2iKksxTW/view?usp=sharingExploit, Third Party Advisory
• https://github.com/gatsbyjs/gatsby/pull/35830Exploit, Patch, Third Party Advisory
• https://github.com/gatsbyjs/gatsby/pull/35830/commits/f214eb0694c61e348b2751cecd1aace2046bc46ePatch, Third Party Advisory
• https://snyk.io/vuln/SNYK-JS-GATSBYPLUGINMDX-2405699Exploit, Third Party Advisory
• https://drive.google.com/file/d/1EoCzbwTWOM8-fjvwMbH3bqcZ2iKksxTW/view?usp=sharingExploit, Third Party Advisory
• https://github.com/gatsbyjs/gatsby/pull/35830Exploit, Patch, Third Party Advisory
• https://github.com/gatsbyjs/gatsby/pull/35830/commits/f214eb0694c61e348b2751cecd1aace2046bc46ePatch, Third Party Advisory
• https://snyk.io/vuln/SNYK-JS-GATSBYPLUGINMDX-2405699Exploit, Third Party Advisory

Published

Jun 10, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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