{"id":"CVE-2023-44270","state":"PUBLISHED","title":"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","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.","publishedAt":"2023-09-29T00:00:00.000Z","updatedAt":"2025-11-03T21:49:45.559Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25","https://github.com/postcss/postcss/releases/tag/8.4.31","https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5","https://github.com/github/advisory-database/issues/2820","https://lists.debian.org/debian-lts-announce/2024/12/msg00025.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:17.512Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/44xxx/CVE-2023-44270.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-44270","state":"PUBLISHED","datePublished":"2023-09-29T00:00:00.000Z","dateUpdated":"2025-11-03T21:49:45.559Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2023-09-28T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25"},{"url":"https://github.com/postcss/postcss/releases/tag/8.4.31"},{"url":"https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5"},{"url":"https://github.com/github/advisory-database/issues/2820"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2023-10-10T12:48:52.698Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25","tags":["x_transferred"]},{"url":"https://github.com/postcss/postcss/releases/tag/8.4.31","tags":["x_transferred"]},{"url":"https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5","tags":["x_transferred"]},{"url":"https://github.com/github/advisory-database/issues/2820","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/12/msg00025.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T21:49:45.559Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-23T16:38:23.948037Z","id":"CVE-2023-44270","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-23T16:38:49.069Z"}}]}}}