PostCSS line return parsing error

TRUNG BÌNH 5.3CVE-2023-44270 · GHSA-7fh5-64p2-3v2j · Công bố 29/09/2023 · cập nhật 17/06/2026

Tóm tắt nhanh

CVE-2023-44270 là lỗ hổng mức TRUNG BÌNH (CVSS 5.3) ảnh hưởng postcss (postcss), postcss.
Xác suất bị khai thác trong 30 ngày tới (EPSS): 0.97%, cao hơn 62.0% các lỗ hổng khác.
Cách xử lý: cập nhật lên 8.4.31 hoặc mới hơn.

Gói / sản phẩm	Phiên bản bị ảnh hưởng	Phiên bản đã vá
postcss postcss	`< 8.4.31`	`8.4.31`
postcss npm	`< 8.4.31`	`8.4.31`

Mô tả

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.

This 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 originally included in a comment.

Mô tả của NVD

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.