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CVE-2022-23733

Estado: ModificadaMedia (5.4)—

A stored XSS vulnerability was identified in GitHub Enterprise Server that allowed the injection of arbitrary attributes. This injection was blocked by Github's Content Security Policy (CSP). This vulnerability affected all versions of GitHub Enterprise Server prior to 3.6 and was fixed in versions 3.3.11, 3.4.6 and 3.5.3. This vulnerability was reported via the GitHub Bug Bounty program.

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)

Github — Enterprise Server

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-23733",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "product-cna@github.com",
      "affectedData": [
        {
          "vendor": "GitHub",
          "product": "GitHub Enterprise Server",
          "versions": [
            {
              "status": "affected",
              "version": "3.3",
              "lessThan": "3.3.11",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "3.4",
              "lessThan": "3.4.6",
              "versionType": "custom"
            },
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              "status": "affected",
              "version": "3.5",
              "lessThan": "3.5.3",
              "versionType": "custom"
            }
          ]
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      ]
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  ],
  "published": "2022-08-02T16:15:10.017",
  "references": [
    {
      "url": "https://docs.github.com/en/enterprise-server%403.3/admin/release-notes#3.3.11",
      "source": "product-cna@github.com"
    },
    {
      "url": "https://docs.github.com/en/enterprise-server%403.4/admin/release-notes#3.4.6",
      "source": "product-cna@github.com"
    },
    {
      "url": "https://docs.github.com/en/enterprise-server%403.5/admin/release-notes#3.5.3",
      "source": "product-cna@github.com"
    },
    {
      "url": "https://docs.github.com/en/enterprise-server%403.3/admin/release-notes#3.3.11",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "product-cna@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A stored XSS vulnerability was identified in GitHub Enterprise Server that allowed the injection of arbitrary attributes. This injection was blocked by Github's Content Security Policy (CSP). This vulnerability affected all versions of GitHub Enterprise Server prior to 3.6 and was fixed in versions 3.3.11, 3.4.6 and 3.5.3. This vulnerability was reported via the GitHub Bug Bounty program."
    },
    {
      "lang": "es",
      "value": "Se identificó una vulnerabilidad de tipo XSS almacenado en GitHub Enterprise Server que permitía la inyección de atributos arbitrarios. Esta inyección fue bloqueada por la Política de Seguridad de Contenidos (CSP) de Github. Esta vulnerabilidad afectaba a todas las versiones de GitHub Enterprise Server anteriores a 3.6 y fue corregida en versiones 3.3.11, 3.4.6 y 3.5.3. Esta vulnerabilidad fue reportada por medio del programa GitHub Bug Bounty"
    }
  ],
  "lastModified": "2026-06-17T04:30:43.403",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AB425E9F-1083-4043-A06B-733CE4DB9F37",
              "versionEndExcluding": "3.3.11",
              "versionStartIncluding": "3.3.0"
            },
            {
              "criteria": "cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6F16C37D-DB03-4699-8285-81A1DCF9BD7E",
              "versionEndExcluding": "3.4.6",
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            },
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          "operator": "OR"
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  "sourceIdentifier": "product-cna@github.com"
}