{
  "id": "CVE-2024-34078",
  "sourceIdentifier": "security-advisories@github.com",
  "published": "2024-05-06T15:15:24.187",
  "lastModified": "2024-11-21T09:18:02.690",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "html-sanitizer is an allowlist-based HTML cleaner. If using `keep_typographic_whitespace=False` (which is the default), the sanitizer normalizes unicode to the NFKC form at the end. Some unicode characters normalize to chevrons; this allows specially crafted HTML to escape sanitization. The problem has been fixed in 2.4.2.\n"
    },
    {
      "lang": "es",
      "value": "html-sanitizer es un limpiador HTML basado en listas permitidas. Si usa `keep_typographic_whitespace=False` (que es el valor predeterminado), el desinfectante normaliza Unicode al formulario NFKC al final. Algunos caracteres Unicode se normalizan como galones; esto permite que el HTML especialmente manipulado escape al saneamiento. El problema se solucion\u00f3 en 2.4.2."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "security-advisories@github.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7
      }
    ]
  },
  "weaknesses": [
    {
      "source": "security-advisories@github.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/matthiask/html-sanitizer/commit/48db42fc5143d0140c32d929c46b802f96913550",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/matthiask/html-sanitizer/security/advisories/GHSA-wvhx-q427-fgh3",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/matthiask/html-sanitizer/commit/48db42fc5143d0140c32d929c46b802f96913550",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/matthiask/html-sanitizer/security/advisories/GHSA-wvhx-q427-fgh3",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/08/msg00000.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}