{
  "id": "CVE-2022-40956",
  "sourceIdentifier": "security@mozilla.org",
  "published": "2022-12-22T20:15:38.693",
  "lastModified": "2024-11-21T07:22:17.930",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "When injecting an HTML base element, some requests would ignore the CSP's base-uri settings and accept the injected element's base instead. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105."
    },
    {
      "lang": "es",
      "value": "Al inyectar un elemento base HTML, algunas solicitudes ignorar\u00edan la configuraci\u00f3n de uri base del CSP y aceptar\u00edan la base del elemento inyectado. Esta vulnerabilidad afecta a Firefox ESR &lt; 102.3, Thunderbird &lt; 102.3 y Firefox &lt; 105."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "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": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "105.0",
              "matchCriteriaId": "B117A240-56A6-4045-93C4-09722ED3A3B8"
            },
            {
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              "criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "102.3",
              "matchCriteriaId": "D7DB7A5C-E118-4ABD-AE52-33AAA899B36D"
            },
            {
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              "versionEndExcluding": "102.3",
              "matchCriteriaId": "E9DE429C-DF44-4398-8358-16F6126599E0"
            }
          ]
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    }
  ],
  "references": [
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1770094",
      "source": "security@mozilla.org",
      "tags": [
        "Issue Tracking",
        "Permissions Required",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2022-40/",
      "source": "security@mozilla.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2022-41/",
      "source": "security@mozilla.org",
      "tags": [
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    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2022-42/",
      "source": "security@mozilla.org",
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    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1770094",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
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      ]
    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2022-40/",
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}