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CVE-2023-24540

Estado: ModificadaCrítica (9.8)—

Not all valid JavaScript whitespace characters are considered to be whitespace. Templates containing whitespace characters outside of the character set "\t\n\f\r\u0020\u2028\u2029" in JavaScript contexts that also contain actions may not be properly sanitized during execution.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Golang — GO

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-24540",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-24540",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-01-24T16:42:20.856397Z"
        }
      }
    ],
    "cvssMetricV31": [
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      },
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        "cvssData": {
          "scope": "UNCHANGED",
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          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
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          "confidentialityImpact": "HIGH"
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  "affected": [
    {
      "source": "security@golang.org",
      "affectedData": [
        {
          "vendor": "Go standard library",
          "product": "html/template",
          "versions": [
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              "version": "0",
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              "versionType": "semver"
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          "packageName": "html/template",
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "programRoutines": [
            {
              "name": "nextJSCtx"
            },
            {
              "name": "Template.Execute"
            },
            {
              "name": "Template.ExecuteTemplate"
            }
          ]
        }
      ]
    }
  ],
  "published": "2023-05-11T16:15:09.687",
  "references": [
    {
      "url": "https://go.dev/cl/491616",
      "tags": [
        "Patch"
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      "source": "security@golang.org"
    },
    {
      "url": "https://go.dev/issue/59721",
      "tags": [
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        "Patch"
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      "source": "security@golang.org"
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      "source": "security@golang.org"
    },
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      "tags": [
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      "source": "security@golang.org"
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    {
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      "tags": [
        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://security.netapp.com/advisory/ntap-20241115-0008/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
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    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Not all valid JavaScript whitespace characters are considered to be whitespace. Templates containing whitespace characters outside of the character set \"\\t\\n\\f\\r\\u0020\\u2028\\u2029\" in JavaScript contexts that also contain actions may not be properly sanitized during execution."
    }
  ],
  "lastModified": "2026-06-17T05:39:30.007",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "1.19.9"
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            }
          ],
          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "security@golang.org"
}