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Vulnerabilities
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CVE-2023-44270

Updated on 29 Sep 2023

Severity

5.3 Medium severity

Details

CVSS score
5.3
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE ID
Links
NISTCIRCLRHELUbuntu

Overview

About vulnerability

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.

Details

Affected product:
Acorn , AlmaLinux 9.2 ESU , Angular , Next.js , TuxCare 9.6 ESU , amp-toolbox , css-loader , cssnano-preset-simple , cssnano-simple , icss-utils , postcss , postcss-functions , postcss-modules-extract-imports , postcss-modules-local-by-default , postcss-modules-scope , postcss-modules-values , postcss-safe-parser , resolve-url-loader , sanitize-html , tailwindcss
Affected packages:
postcss @ 5.2.18 (+67 more)
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.

Fixes