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.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4003-1 node-postcss security update
EUVD EUVD EUVD-2023-2456 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.
Github GHSA Github GHSA GHSA-7fh5-64p2-3v2j PostCSS line return parsing error
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 03 Nov 2025 22:30:00 +0000

Type Values Removed Values Added
References

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00109}

epss

{'score': 0.00141}


Thu, 20 Mar 2025 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat openshift Gitops
CPEs cpe:/a:redhat:openshift_gitops:1.14::el8
Vendors & Products Redhat openshift Gitops

Wed, 12 Mar 2025 06:15:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:openshift_data_foundation:4.18::el9

Wed, 26 Feb 2025 14:15:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:openshift_data_foundation:4.14::el9
cpe:/a:redhat:openshift_data_foundation:4.15::el9

Tue, 25 Feb 2025 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Redhat openshift Data Foundation
CPEs cpe:/a:redhat:openshift_data_foundation:4.16::el9
cpe:/a:redhat:openshift_data_foundation:4.17::el9
Vendors & Products Redhat openshift Data Foundation

Thu, 13 Feb 2025 00:30:00 +0000

Type Values Removed Values Added
First Time appeared Redhat discovery
Redhat openshift Devspaces
CPEs cpe:/a:redhat:openshift_devspaces:3::el9
cpe:/o:redhat:discovery:1.0::el9
Vendors & Products Redhat discovery
Redhat openshift Devspaces

Tue, 10 Dec 2024 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat service Mesh
CPEs cpe:/a:redhat:service_mesh:2.5::el8
Vendors & Products Redhat service Mesh

Wed, 04 Dec 2024 02:15:00 +0000

Type Values Removed Values Added
First Time appeared Redhat
Redhat openshift
CPEs cpe:/a:redhat:openshift:4.17::el9
Vendors & Products Redhat
Redhat openshift

Fri, 22 Nov 2024 15:30:00 +0000

Type Values Removed Values Added
Title PostCSS: Improper input validation in PostCSS
Weaknesses CWE-93
References
Metrics threat_severity

None

threat_severity

Moderate


Mon, 23 Sep 2024 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-03T21:49:45.559Z

Reserved: 2023-09-28T00:00:00.000Z

Link: CVE-2023-44270

cve-icon Vulnrichment

Updated: 2025-11-03T21:49:45.559Z

cve-icon NVD

Status : Modified

Published: 2023-09-29T22:15:11.867

Modified: 2025-11-03T22:16:27.913

Link: CVE-2023-44270

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-09-29T00:00:00Z

Links: CVE-2023-44270 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses