Arbitrary Code Injection Affecting tinacms package, versions <3.1.1
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-JS-TINACMS-14535449
- published19 Dec 2025
- disclosed18 Dec 2025
- creditCristian-Alexandru Staicu
Introduced: 18 Dec 2025
CVE-2025-68278 (opens in a new tab)How to fix?
Upgrade tinacms to version 3.1.1 or higher.
Overview
tinacms is a headless content management system with support for Markdown, MDX, JSON, YAML, and more.
Affected versions of this package are vulnerable to Arbitrary Code Injection via the improper use of gray-matter package. An attacker can execute arbitrary code on the server by submitting specially crafted markdown files containing malicious JavaScript in the front matter.