Vulnerability
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.