CVE-2006-0299

Status: ModifiedMedium (6.4)—

The E4X implementation in Mozilla Firefox before 1.5.0.1, Thunderbird 1.5 if running Javascript in mail, and SeaMonkey before 1.0 exposes the internal "AnyName" object to external interfaces, which allows multiple cooperating domains to exchange information in violation of the same origin restrictions.

CVSS

Version: 2.0
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N
Base score: 6.4

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 2.02%
Percentile among all scored CVEs: 80
Score date: 10/8/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (3)

Mozilla — Firefox Mozilla — Seamonkey Mozilla — Thunderbird

CWEs

NVD-CWE-Other

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2006-0299",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2006-02-02T23:06:00.000",
  "references": [
    {
      "url": "http://secunia.com/advisories/18700",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/18704",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/22065",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://securitytracker.com/id?1015570",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.mozilla.org/security/announce/2006/mfsa2006-08.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/446657/100/200/threaded",
      "source": "secalert@redhat.com"
    },
    {
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      "source": "secalert@redhat.com"
    },
    {
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    },
    {
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      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=322312",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/24437",
      "source": "secalert@redhat.com"
    },
    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/446657/100/200/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/16476",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.vupen.com/english/advisories/2006/3749",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=322312",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/24437",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1625",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The E4X implementation in Mozilla Firefox before 1.5.0.1, Thunderbird 1.5 if running Javascript in mail, and SeaMonkey before 1.0 exposes the internal \"AnyName\" object to external interfaces, which allows multiple cooperating domains to exchange information in violation of the same origin restrictions."
    }
  ],
  "lastModified": "2026-06-16T22:20:17.740",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "ABB88E86-6E83-4A59-9266-8B98AA91774D"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "E19ED1CA-DEBD-4786-BA7B-C122C7D2E5B7"
            },
            {
              "criteria": "cpe:2.3:a:mozilla:seamonkey:1.0:*:alpha:*:*:*:*:*",
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              "matchCriteriaId": "D62F740C-706B-4290-AD92-3ECBC3D30768"
            },
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              "matchCriteriaId": "CB01A97F-ACE1-4A99-8939-6DF8FE5B5E8E"
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              "matchCriteriaId": "4FB87608-0DF8-4729-95C5-CFA386AB3AC2"
            }
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          "operator": "OR"
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  "sourceIdentifier": "secalert@redhat.com"
}