Vulnerability

CVE-2023-44270

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CVSS Score 5.3 medium

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CWE

CWE-74

References

https://github.com/postcss/postcss/releases/tag/8.4.31
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-44270

[CVE-2023-44270] CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

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.

See postcss package information