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CVE-2023-7312

Estado: AnalizadaMedia (6.2)—

Nagios Fusion versions prior to 4.2.0 contain a stored cross-site scripting (XSS) vulnerability when adding or configuring Email Settings. Unsanitized user input can be stored and later rendered in the administrative UI, causing JavaScript to execute in the browser of any user who views the affected page. An attacker who can add or modify SMTP/email settings or manipulate the sendmail configuration fields could persist a malicious payload that executes in the context of other users' browsers.

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)

Nagios — Fusion

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2023-7312",
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          "id": "CVE-2023-7312",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
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              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2025-11-03T18:36:58.549361Z"
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
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          "confidentialityImpact": "LOW"
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    ],
    "cvssMetricV40": [
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        "type": "Secondary",
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        "cvssData": {
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          "valueDensity": "NOT_DEFINED",
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          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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          "versions": [
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  "published": "2025-10-30T22:15:42.930",
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      "tags": [
        "Product"
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    },
    {
      "url": "https://www.nagios.com/products/security/#fusion",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "disclosure@vulncheck.com"
    },
    {
      "url": "https://www.vulncheck.com/advisories/nagios-fusion-email-settings-stored-xss-via-smtp-sendmail",
      "tags": [
        "Third Party Advisory"
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  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "description": [
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          "value": "CWE-79"
        }
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    }
  ],
  "descriptions": [
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      "lang": "en",
      "value": "Nagios Fusion versions prior to 4.2.0 contain a stored cross-site scripting (XSS) vulnerability when adding or configuring Email Settings. Unsanitized user input can be stored and later rendered in the administrative UI, causing JavaScript to execute in the browser of any user who views the affected page. An attacker who can add or modify SMTP/email settings or manipulate the sendmail configuration fields could persist a malicious payload that executes in the context of other users' browsers."
    }
  ],
  "lastModified": "2026-06-17T06:52:30.433",
  "configurations": [
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  "sourceIdentifier": "disclosure@vulncheck.com"
}