{"id":"DEBIAN-CVE-2023-44270","details":"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.","modified":"2026-09-15T09:02:45.890605290Z","published":"2023-09-29T22:15:11.867Z","upstream":["CVE-2023-44270"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-44270"}],"affected":[{"package":{"name":"node-postcss","ecosystem":"Debian:12","purl":"pkg:deb/debian/node-postcss?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.4.20+~cs8.0.23-1+deb12u1"}]}],"versions":["8.4.20+~cs8.0.23-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-44270.json"}},{"package":{"name":"node-postcss","ecosystem":"Debian:13","purl":"pkg:deb/debian/node-postcss?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.4.31+~cs8.0.26-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-44270.json"}},{"package":{"name":"node-postcss","ecosystem":"Debian:14","purl":"pkg:deb/debian/node-postcss?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.4.31+~cs8.0.26-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-44270.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}]}