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CVE-2026-59838

Estado: AnalizadaMedia (4.8)—

A improper neutralization of script-related html tags in a web page (basic xss) vulnerability in Fortinet FortiSIEM 7.4.0, FortiSIEM 7.3.0 through 7.3.4, FortiSIEM 7.2.0 through 7.2.6, FortiSIEM 7.1 all versions, FortiSIEM 7.0 all versions, FortiSIEM 6.7 all versions, FortiSIEM 6.6 all versions, FortiSIEM 6.5 all versions, FortiSIEM 6.4 all versions may allow attacker to execute unauthorized code or commands via <insert attack vector here>

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)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-59838",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-59838",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-15T14:23:06.140913Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@fortinet.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.7,
        "exploitabilityScore": 1.7
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 4.8,
          "attackVector": "NETWORK",
          "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",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 1.7
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@fortinet.com",
      "affectedData": [
        {
          "cpes": [
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            "cpe:2.3:a:fortinet:fortisiem:7.3.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.3.3:*:*:*:*:*:*:*",
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            "cpe:2.3:a:fortinet:fortisiem:7.2.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.2.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.2.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.2.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.2.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.2.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.1.9:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.1.8:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.1.7:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.1.6:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.1.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.1.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.1.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.1.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.1.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.1.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.0.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.0.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.0.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.0.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:7.0.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.7.10:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.7.9:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.7.8:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.7.7:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.7.6:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.7.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.7.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.7.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.7.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.7.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.7.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.6.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.6.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.6.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.6.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.6.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.6.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.5.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.5.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.5.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.5.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.4.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.4.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.4.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.4.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.4.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.3.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.3.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.3.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.3.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.2.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortisiem:6.2.0:*:*:*:*:*:*:*"
          ],
          "vendor": "Fortinet",
          "product": "FortiSIEM",
          "versions": [
            {
              "status": "affected",
              "version": "7.4.0"
            },
            {
              "status": "affected",
              "version": "7.3.0",
              "versionType": "semver",
              "lessThanOrEqual": "7.3.4"
            },
            {
              "status": "affected",
              "version": "7.2.0",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.6"
            },
            {
              "status": "affected",
              "version": "7.1.0",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.9"
            },
            {
              "status": "affected",
              "version": "7.0.0",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.4"
            },
            {
              "status": "affected",
              "version": "6.7.0",
              "versionType": "semver",
              "lessThanOrEqual": "6.7.10"
            },
            {
              "status": "affected",
              "version": "6.6.0",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.5"
            },
            {
              "status": "affected",
              "version": "6.5.0",
              "versionType": "semver",
              "lessThanOrEqual": "6.5.3"
            },
            {
              "status": "affected",
              "version": "6.4.0",
              "versionType": "semver",
              "lessThanOrEqual": "6.4.4"
            },
            {
              "status": "affected",
              "version": "6.3.0",
              "versionType": "semver",
              "lessThanOrEqual": "6.3.3"
            },
            {
              "status": "affected",
              "version": "6.2.0",
              "versionType": "semver",
              "lessThanOrEqual": "6.2.1"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-07-15T14:18:33.057",
  "references": [
    {
      "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-149",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@fortinet.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@fortinet.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-80"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A improper neutralization of script-related html tags in a web page (basic xss) vulnerability in Fortinet FortiSIEM 7.4.0, FortiSIEM 7.3.0 through 7.3.4, FortiSIEM 7.2.0 through 7.2.6, FortiSIEM 7.1 all versions, FortiSIEM 7.0 all versions, FortiSIEM 6.7 all versions, FortiSIEM 6.6 all versions, FortiSIEM 6.5 all versions, FortiSIEM 6.4 all versions may allow attacker to execute unauthorized code or commands via <insert attack vector here>"
    }
  ],
  "lastModified": "2026-07-15T18:47:38.323",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fortinet:fortisiem:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2027BD6B-7592-426A-B110-6EEFEF9BFC5C",
              "versionEndExcluding": "7.2.7",
              "versionStartIncluding": "6.4.0"
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortisiem:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C41BBF42-F97A-4358-ADB6-9762BD8F3CAE",
              "versionEndExcluding": "7.3.5",
              "versionStartIncluding": "7.3.0"
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortisiem:7.4.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "500DAB25-48C9-48C7-B7CD-92C06989F039"
            }
          ],
          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "psirt@fortinet.com"
}