CVE-2025-68278

HighPublic PoCRCE

Published: 18 December 2025

Published

18 December 2025

Modified

10 April 2026

KEV Added

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Patch

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CVSS Score v4 7.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Score 0.0039 30.9th percentile

Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-68278 is a high-severity Code Injection (CWE-94) vulnerability in Ssw Tinacms. Its CVSS base score is 7.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 30.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

The strongest mitigations our analysis identified are NIST 800-53 SI-2 (Flaw Remediation) and SI-10 (Information Input Validation).

Deeper analysis

CVE-2025-68278 is a code injection vulnerability (CWE-94) in Tina, a headless content management system, specifically affecting the tinacms package prior to version 3.1.1. The issue arises from insecure usage of the gray-matter package when processing Markdown files, such as blog posts, enabling arbitrary code execution if attackers control the file content. The vulnerability carries a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) and was published on 2025-12-18.

Attackers who can control the content of Markdown files processed by tinacms, such as through user-submitted blog posts, can exploit this vulnerability to execute arbitrary code on the system running the CMS. Exploitation requires no privileges (PR:N) and is network-accessible (AV:N) with low complexity (AC:L), but depends on user interaction (UI:R), such as a site administrator previewing or editing the malicious file. Successful attacks result in high impacts to confidentiality, integrity, and availability.

Mitigation is available via patches released in tinacms version 3.1.1, @tinacms/cli version 2.0.4, and @tinacms/graphql version 2.0.3, as detailed in the GitHub security advisory (GHSA-529f-9qwm-9628) and the fixing commit (fa7c27abef968e3f3a3e7d564f282bc566087569). Security practitioners should upgrade affected installations immediately to prevent exploitation.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2025-204304

Vulnerability details

Tina is a headless content management system. In tinacms prior to version 3.1.1, tinacms uses the gray-matter package in an insecure way allowing attackers that can control the content of the processed markdown files, e.g., blog posts, to execute arbitrary…

code. tinacms version 3.1.1, @tinacms/cli version 2.0.4, and @tinacms/graphql version 2.0.3 contain a fix for the issue.

CWE(s): CWE-94

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

Why these techniques?

Code injection vulnerability in public-facing headless CMS enables arbitrary remote code execution via attacker-controlled Markdown files, directly facilitating T1190 (Exploit Public-Facing Application).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0