CVE-2009-0253

Status: ModifiedMedium (6.8)—💥 Exploit

Mozilla Firefox 3.0.5 allows remote attackers to trick a user into visiting an arbitrary URL via an onclick action that moves a crafted element to the current mouse position, related to a "Status Bar Obfuscation" and "Clickjacking" attack.

CVSS

Version: 2.0
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Base score: 6.8

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 2.53%
Percentile among all scored CVEs: 85
Score date: 10/14/2026

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).

💥 Public exploits

Exploit code or detection templates are publicly available. This is not the same as confirmed active exploitation (KEV), but it raises the risk: patch with priority.

Published on Exploit-DB · Mozilla Firefox 3.0.5 - Status Bar Obfuscation / Clickjacking (1/21/2009)

Affected technologies (1)

Mozilla — Firefox

CWEs

NVD-CWE-Other

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2009-0253",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
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  },
  "affected": [
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      "affectedData": [
        {
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          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2009-01-22T18:30:03.827",
  "references": [
    {
      "url": "http://securityreason.com/securityalert/4936",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/48212",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.exploit-db.com/exploits/7842",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://securityreason.com/securityalert/4936",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/48212",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://www.exploit-db.com/exploits/7842",
      "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": "Mozilla Firefox 3.0.5 allows remote attackers to trick a user into visiting an arbitrary URL via an onclick action that moves a crafted element to the current mouse position, related to a \"Status Bar Obfuscation\" and \"Clickjacking\" attack."
    },
    {
      "lang": "es",
      "value": "Mozilla Firefox v3.0.5 permite a atacantes remotos inducir a un usuario a visitar una URL de su elección a través de una acción onclick que mueve un elemento manipulado a la posición actual del ratón, en relación con un ataque de \"Ofuscación de la barra de estado\" y \"Clickjacking\"."
    }
  ],
  "lastModified": "2026-06-16T23:04:35.663",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:3.0.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FBC3CAD3-2F54-4E32-A0C9-0D826C45AC23"
            }
          ],
          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "cve@mitre.org"
}