CVE-2022-25863
HighCVSS 8.1Exploitation Probability (EPSS)
High risk80th percentile - higher than 80% of all known CVEs
Summary
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.
Risk Assessment
An attacker could exploit the deserialization of untrusted data to execute arbitrary code or cause other damage in a Gatsby application, potentially leading to application compromise or data leakage.
Recommendation
Update gatsby-plugin-mdx to version 2.14.1 or 3.15.2 (or later). If not possible, sanitize input before passing it to the plugin.
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Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

