CVE-2026-56383

{
  "id": "CVE-2026-56383",
  "sourceIdentifier": "[email protected]",
  "published": "2026-06-21T14:16:25.890",
  "lastModified": "2026-10-25T23:10:00.167",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Craft CMS contains a stored cross-site scripting (XSS) vulnerability in the editableTable.twig component when using the 'Row Heading' column type. The application fails to sanitize input within row heading default values, allowing an attacker with an administrator account (with allowAdminChanges enabled) to inject arbitrary JavaScript that executes when another user views a page containing the affected table field. Affected versions are >= 4.5.0-beta.1 through 4.16.18 and >= 5.0.0-RC1 through 5.8.22; fixed in 4.16.19 and 5.8.23."
    },
    {
      "lang": "es",
      "value": "Craft CMS contiene una vulnerabilidad de cross-site scripting (XSS) almacenado en el componente editableTable.twig al usar el tipo de columna ’Encabezado de Fila’. La aplicación no logra sanear la entrada dentro de los valores predeterminados del encabezado de fila, permitiendo a un atacante con una cuenta de administrador (con allowAdminChanges habilitado) inyectar JavaScript arbitrario que se ejecuta cuando otro usuario ve una página que contiene el campo de tabla afectado. Las versiones afectadas son >= 4.5.0-beta.1 hasta 4.16.18 y >= 5.0.0-RC1 hasta 5.8.22; corregido en 4.16.19 y 5.8.23."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "craftcms",
          "product": "cms",
          "defaultStatus": "unaffected",
          "packageURL": "pkg:composer/craftcms/cms",
          "versions": [
            {
              "version": "4.5.0-beta.1",
              "lessThan": "4.16.19",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "4.16.19",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "5.0.0-RC1",
              "lessThan": "5.8.23",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "5.8.23",
              "versionType": "semver",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "baseScore": 4.6,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "HIGH",
          "userInteraction": "ACTIVE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "LOW",
          "subIntegrityImpact": "LOW",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "NOT_DEFINED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.7,
        "impactScore": 2.7
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-06-23T14:00:40.463813Z",
          "id": "CVE-2026-56383",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/craftcms/cms/commit/7b372de262b8d9d2ce859f32780c3715719b6f5a",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/craftcms/cms/security/advisories/GHSA-6j87-m5qx-9fqp",
      "source": "[email protected]"
    },
    {
      "url": "https://www.vulncheck.com/advisories/craft-cms-stored-xss-in-table-field-via-row-heading-column-type",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/craftcms/cms/security/advisories/GHSA-6j87-m5qx-9fqp",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ]
}