CVE-2026-78847

A flaw was found in gray-matter. The component uses the eval function to parse document metadata front matter specified as JavaScript. An attacker who supplies malicious input containing JavaScript front matter can exploit this behavior to achieve arbitrary code execution on the target system...

CVE-2021-23639

Overview md-to-pdf is a CLI tool for converting Markdown files to PDF. Affected versions of this package are vulnerable to Remote Code Execution RCE due to utilizing the library gray-matter to parse front matter content, without disabling the JS engine. Usage: python3 cve-2021-23639.py targerurl...

CVE-2026-78847

An issue in gray-matter All versions verified on 4.0.3 allows the JavaScript engine in lib/engines.js using eval to parse front matter when language is js/javascript.This allows arbitrary code execution...

CVE-2026-78847

An issue in gray-matter All versions verified on 4.0.3 allows the JavaScript engine in lib/engines.js using eval to parse front matter when language is js/javascript.This allows arbitrary code execution...

CVE-2026-78847: Improper Neutralization of Directives in Dynamically Evaluated Code

An issue in gray-matter All versions verified on 4.0.3 allows the JavaScript engine in lib/engines.js using eval to parse front matter when language is js/javascript.This allows arbitrary code execution...

CVE-2026-78847

An issue in gray-matter All versions verified on 4.0.3 allows the JavaScript engine in lib/engines.js using eval to parse front matter when language is js/javascript.This allows arbitrary code execution...

CVE-2026-74234

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2026-74234

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CVE-2026-74234

Legora before 2026-08-14 contains a cross-site scripting vulnerability that allows attackers to achieve arbitrary JavaScript execution in a victim's browser by embedding a Mermaid block prefixed with a gray-matter JavaScript front-matter directive, causing the front-matter parser to invoke eval...

EUVD-2026-60437

Legora before 2026-08-14 contains a cross-site scripting vulnerability that allows attackers to achieve arbitrary JavaScript execution in a victim's browser by embedding a Mermaid block prefixed with a gray-matter JavaScript front-matter directive, causing the front-matter parser to invoke eval...

CVE-2026-74234

Legora before 2026-08-14 contains a cross-site scripting (XSS) vulnerability. The root cause is that a Mermaid block prefixed with a gray-matter JavaScript front-matter directive causes the front-matter parser to invoke eval() before any SVG sanitization occurs, enabling arbitrary JavaScript exec...

PT-2026-76764

Name of the Vulnerable Software and Affected Versions Legora versions prior to 2026-08-14 Description A cross-site scripting issue exists where attackers can execute arbitrary JavaScript in a victim's browser. This occurs when a Mermaid block is prefixed with a gray-matter JavaScript front-matter...

Arbitrary Code Injection

md-to-pdf is vulnerable to Arbitrary Code Injection. The vulnerability is due to a Markdown front-matter block that contains JavaScript delimiter, where the JS engine in gray-matter library executes arbitrary code in the Markdown to PDF converter process of md-to-pdf library, and attackers can...

GHSA-529F-9QWM-9628 tinacms is vulnerable to arbitrary code execution

Summary 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. Details The gray-matter package executes by default the code in the markdown file's front matter. tinacms...

tinacms is vulnerable to arbitrary code execution

Summary 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. Details The gray-matter package executes by default the code in the markdown file's front matter. tinacms...

Arbitrary Code Injection

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 submitti...

cyber

Cyber A website and repository for everything related to my s...

cyber

Cyber A website and repository for everything related to my s...

CVE-2025-65108

md-to-pdf is a CLI tool for converting Markdown files to PDF using Node.js and headless Chrome. Prior to version 5.2.5, a Markdown front-matter block that contains JavaScript delimiter causes the JS engine in gray-matter library to execute arbitrary code in the Markdown to PDF converter process o...

CVE-2025-65108

md-to-pdf is a CLI tool for converting Markdown files to PDF using Node.js and headless Chrome. Prior to version 5.2.5, a Markdown front-matter block that contains JavaScript delimiter causes the JS engine in gray-matter library to execute arbitrary code in the Markdown to PDF converter process o...