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CVE-2022-25863

31
FAUCET Score

CVE-2022-25863 is a critical deserialization of untrusted data vulnerability affecting gatsby-plugin-mdx versions before 2.14.1, and between 3.0.0 and 3.15.2. This flaw arises from insufficient input sanitization when processing data through the gray-matter package, impacting Gatsby projects utilizing MDX files in webpack or GraphQL data modes. With a CVSS score of 9.8 (Critical), this vulnerability allows unauthenticated attackers to achieve high confidentiality, integrity, and availability impacts with low attack complexity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.14.1CPE matchmatch criteria
cpe:2.3:a:gatsbyjs:gatsby:*:*:*:*:*:node.js:*:*
>= 3.0.0, < 3.15.2CPE matchmatch criteria
cpe:2.3:a:gatsbyjs:gatsby:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.86%
Probability of exploitation in next 30 days
EPSS Percentile
77.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0186 is in the 65th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: gatsby-plugin-mdxFixed in: 2.14.1
npmpatch availablevia ghsa
Product: gatsby-plugin-mdxFixed in: 3.15.2

Vendor Advisories (1)

npmGHSA-mj46-r4gr-5x83high

Unsanitized JavaScript code injection possible in gatsby-plugin-mdx

Jun 3, 2022

References

drive.google.com / file/d/1EoCzbwTWOM8-fjvwMbH3bqcZ2iKksxTW/view
ExploitThird Party Advisory
github.com / gatsbyjs/gatsby/pull/35830
ExploitPatchThird Party Advisory
github.com / gatsbyjs/gatsby/pull/35830/commits/f214eb0694c61e348b2751cecd1aace2046bc46e
PatchThird Party Advisory
snyk.io / vuln/SNYK-JS-GATSBYPLUGINMDX-2405699
ExploitThird Party Advisory