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CVE-2023-44270

nvd nist
Published: Sep 29, 2023Modified: Jun 17, 2026

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5.3
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Exploitability: 3.9 / Impact: 1.4
Source: NVD

Description

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.

Affected (1)

Products: Postcss: Postcss
Postcss
1 product
Postcss
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Postcss
Before 8.4.31

Related CWEs

CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

References (9)

Source: cve@mitre.org
Issue Tracking
Source: cve@mitre.org
Issue Tracking
Source: cve@mitre.org
Patch
Source: cve@mitre.org
PatchRelease Notes
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
PatchRelease Notes
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.