{
  "id": "CVE-2023-44270",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-09-29T22:15:11.867",
  "lastModified": "2023-10-10T17:19:55.690",
  "vulnStatus": "Analyzed",
  "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."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 un problema en PostCSS antes de la versi\u00f3n 8.4.31. Afecta a los linters que utilizan PostCSS para analizar hojas de estilos en cascada (CSS) externas. Puede haber \\r discrepancies, como lo demuestra @font-face{ font:(\\r/*);} en una regla."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-74"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:postcss:postcss:*:*:*:*:*:node.js:*:*",
              "versionEndExcluding": "8.4.31",
              "matchCriteriaId": "FB38A6C8-B41F-41C9-9093-E46BAC3B54CB"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/github/advisory-database/issues/2820",
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking"
      ]
    },
    {
      "url": "https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25",
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking"
      ]
    },
    {
      "url": "https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5",
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://github.com/postcss/postcss/releases/tag/8.4.31",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Release Notes"
      ]
    }
  ]
}