CVE-2012-4259

Status: ModifiedMedium (4.3)—💥 Exploit

Cross-site scripting (XSS) vulnerability in the contacts in (1) XPhone UC Web and the (2) web frontend for XPhone Virtual Directory in C4B XPhone Unified Communications (UC) 2011 Web 4.1.890S R1 allows remote attackers to inject arbitrary web script or HTML via the company name. NOTE: some of these details are obtained from third party information.

CVSS

Version: 2.0
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
Base score: 4.3

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 1.90%
Percentile among all scored CVEs: 79
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).

💥 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 · C4B XPhone UC Web 4.1.890S R1 - Cross-Site Scripting (4/30/2012)

Affected technologies (1)

C4B — Xphone Unified Communications 2011

CWEs

CWE-79

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2012-4259",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
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      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
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  ],
  "published": "2012-08-13T18:55:09.100",
  "references": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cross-site scripting (XSS) vulnerability in the contacts in (1) XPhone UC Web and the (2) web frontend for XPhone Virtual Directory in C4B XPhone Unified Communications (UC) 2011 Web 4.1.890S R1 allows remote attackers to inject arbitrary web script or HTML via the company name. NOTE: some of these details are obtained from third party information."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de ejecución de comandos en sitios cruzados (XSS) en los contactos en (1) XPhone UC Web y la interfaz web de (2) XPhone Virtual Directory in C4B XPhone Unified Communications (UC) 2011 Web v4.1.890S R1 permite a atacantes remotos inyectar scripts web o HTML a través del nombre de la empresa. NOTA: algunos de estos detalles han sido obtenidos de información de terceros.\r\n"
    }
  ],
  "lastModified": "2026-06-16T23:44:43.557",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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            }
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  "sourceIdentifier": "cve@mitre.org"
}