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.
- Published Sep 29, 2023
- CVSS 5.3 medium
- 1.0% chance of exploitation in the next 30 days (EPSS)
- A fix is available
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