CVE-2023-44270 (Medium) detected in postcss-8.4.19.tgz
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CVE-2023-44270 - Medium Severity Vulnerability
Vulnerable Library - postcss-8.4.19.tgz
Tool for transforming styles with JS plugins
Library home page: https://registry.npmjs.org/postcss/-/postcss-8.4.19.tgz
Path to dependency file: /package.json
Path to vulnerable library: /node_modules/postcss/package.json
Dependency Hierarchy:
- css-loader-6.7.1.tgz (Root Library)
- ❌ postcss-8.4.19.tgz (Vulnerable Library)
Found in base branch: main
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
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
Suggested Fix
Type: Upgrade version
Origin: https://www.cve.org/CVERecord?id=CVE-2023-44270
Release Date: 2023-09-29
Fix Resolution (postcss): 8.4.31
Direct dependency fix Resolution (css-loader): 6.9.0
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