CVE-2023-44270

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.
Configurations

Configuration 1 (hide)

cpe:2.3:a:postcss:postcss:*:*:*:*:*:node.js:*:*

History

21 Nov 2024, 08:25

Type Values Removed Values Added
References () https://github.com/github/advisory-database/issues/2820 - Issue Tracking () https://github.com/github/advisory-database/issues/2820 - Issue Tracking
References () https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25 - Issue Tracking () https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25 - Issue Tracking
References () https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5 - Patch () https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5 - Patch
References () https://github.com/postcss/postcss/releases/tag/8.4.31 - Patch, Release Notes () https://github.com/postcss/postcss/releases/tag/8.4.31 - Patch, Release Notes

10 Oct 2023, 17:19

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.3
CWE CWE-74
First Time Postcss postcss
Postcss
CPE cpe:2.3:a:postcss:postcss:*:*:*:*:*:node.js:*:*
References (MISC) https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25 - (MISC) https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25 - Issue Tracking
References (MISC) https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5 - (MISC) https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5 - Patch
References (MISC) https://github.com/postcss/postcss/releases/tag/8.4.31 - (MISC) https://github.com/postcss/postcss/releases/tag/8.4.31 - Patch, Release Notes
References (MISC) https://github.com/github/advisory-database/issues/2820 - (MISC) https://github.com/github/advisory-database/issues/2820 - Issue Tracking

10 Oct 2023, 13:15

Type Values Removed Values Added
References
  • (MISC) https://github.com/github/advisory-database/issues/2820 -
Summary An issue was discovered in PostCSS before 8.4.31. It affects linters using PostCSS to parse external Cascading Style Sheets (CSS). There may be \r discrepancies, as demonstrated by @font-face{ font:(\r/*);} in a rule. 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.

29 Sep 2023, 22:15

Type Values Removed Values Added
New CVE

Information

Published : 2023-09-29 22:15

Updated : 2024-11-21 08:25


NVD link : CVE-2023-44270

Mitre link : CVE-2023-44270

CVE.ORG link : CVE-2023-44270


JSON object : View

Products Affected

postcss

  • postcss
CWE
CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')