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CVE-2025-64764

Estado: AnalizadaMedia (5.4)—

Astro is a web framework. Prior to version 5.15.8, a reflected XSS vulnerability is present when the server islands feature is used in the targeted application, regardless of what was intended by the component template(s). This issue has been patched in version 5.15.8.

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)

Astro — Astro

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-64764",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-64764",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-11-19T21:06:04.095169Z"
        }
      }
    ],
    "cvssMetricV31": [
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N",
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          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
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          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
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      },
      {
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        "source": "nvd@nist.gov",
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
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      }
    ]
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  "affected": [
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      "source": "security-advisories@github.com",
      "affectedData": [
        {
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          "product": "astro",
          "versions": [
            {
              "status": "affected",
              "version": "< 5.15.8"
            }
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  ],
  "published": "2025-11-19T17:15:52.647",
  "references": [
    {
      "url": "https://github.com/withastro/astro/commit/790d9425f39bbbb462f1c27615781cd965009f91",
      "tags": [
        "Patch"
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    },
    {
      "url": "https://github.com/withastro/astro/security/advisories/GHSA-wrwg-2hg8-v723",
      "tags": [
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        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
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  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-80"
        }
      ]
    }
  ],
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    {
      "lang": "en",
      "value": "Astro is a web framework. Prior to version 5.15.8, a reflected XSS vulnerability is present when the server islands feature is used in the targeted application, regardless of what was intended by the component template(s). This issue has been patched in version 5.15.8."
    }
  ],
  "lastModified": "2026-06-17T09:55:10.350",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "5.15.8"
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  "sourceIdentifier": "security-advisories@github.com"
}