gatsby-plugin-sass-5.25.0.tgz: 1 vulnerabilities (highest severity is: 5.3) unreachable

[mend-for-github-com[bot]]

Vulnerable Library - gatsby-plugin-sass-5.25.0.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/resolve-url-loader/node_modules/postcss/package.json

Found in HEAD commit: 5df11d63d2ec14dabae2ea2de08e3f2e8f6a261c

Vulnerabilities

CVE	Severity	CVSS	Exploit Maturity	EPSS	Dependency	Type	Fixed in (gatsby-plugin-sass version)	Remediation Possible**	Reachability
CVE-2023-44270	Medium	5.3	Not Defined	0.1%	postcss-7.0.36.tgz	Transitive	N/A*	❌	Unreachable

*For some transitive vulnerabilities, there is no version of direct dependency with a fix. Check the "Details" section below to see if there is a version of transitive dependency where vulnerability is fixed.

**In some cases, Remediation PR cannot be created automatically for a vulnerability despite the availability of remediation

Details

CVE-2023-44270

### Vulnerable Library - postcss-7.0.36.tgz

Tool for transforming styles with JS plugins

Library home page: https://registry.npmjs.org/postcss/-/postcss-7.0.36.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/resolve-url-loader/node_modules/postcss/package.json

Dependency Hierarchy: - gatsby-plugin-sass-5.25.0.tgz (Root Library) - resolve-url-loader-3.1.5.tgz - :x: **postcss-7.0.36.tgz** (Vulnerable Library)

Found in HEAD commit: 5df11d63d2ec14dabae2ea2de08e3f2e8f6a261c

Found in base branch: master

### Reachability Analysis

The vulnerable code is unreachable

### Vulnerability Details

An issue was discovered in PostCSS before 8.4.31. The vulnerability affects linters using PostCSS to parse external untrusted CSS. An attacker can prepare CSS in such a way that it will contains parts parsed by PostCSS as a CSS comment. After processing by PostCSS, it will be included in the PostCSS output in CSS nodes (rules, properties) despite being included in a comment.

Publish Date: 2023-09-29

URL: CVE-2023-44270

### Threat Assessment

Exploit Maturity: Not Defined

EPSS: 0.1%

### CVSS 3 Score Details (5.3)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: Low - Availability Impact: None

For more information on CVSS3 Scores, click here.

### Suggested Fix

Type: Upgrade version

Origin: https://github.com/advisories/GHSA-7fh5-64p2-3v2j

Release Date: 2023-09-29

Fix Resolution: postcss - 8.4.31