CVE-2026-118245 (GCVE-0-2026-118245)
Vulnerability from cvelistv5
Published
2026-10-28 17:44
Modified
2026-10-28 17:44
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Highcharts JS is a JavaScript charting library based on SVG. From 1.0.0 until 4.2.2, Highcharts Dashboards uses chartConstructor as an unchecked property lookup in the Highcharts namespace and invokes the selected member with the component container and chartOptions. An attacker who controls dashboard configuration can select a public utility function instead of a supported chart constructor, causing attacker-controlled options to be copied to the container as properties or attributes. Markup and event handlers can then execute in the hosting page origin when the board renders. No user interaction beyond rendering the board is required. This issue is fixed in 4.2.2.
Impacted products
Show details on NVD website


{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "highcharts",
          "vendor": "highcharts",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 13.1.0"
            }
          ]
        },
        {
          "product": "dashboards",
          "vendor": "@highcharts",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 1.0.0, \u003c 4.2.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Highcharts JS is a JavaScript charting library based on SVG. From 1.0.0 until 4.2.2, Highcharts Dashboards uses chartConstructor as an unchecked property lookup in the Highcharts namespace and invokes the selected member with the component container and chartOptions. An attacker who controls dashboard configuration can select a public utility function instead of a supported chart constructor, causing attacker-controlled options to be copied to the container as properties or attributes. Markup and event handlers can then execute in the hosting page origin when the board renders. No user interaction beyond rendering the board is required. This issue is fixed in 4.2.2."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "LOW",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-28T17:44:51.571Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/highcharts/highcharts/security/advisories/GHSA-grj7-r4jv-pw9j",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/highcharts/highcharts/security/advisories/GHSA-grj7-r4jv-pw9j"
        },
        {
          "name": "https://github.com/highcharts/highcharts/commit/98d3652cdc4f66fbccbbb8b4184ecd8f647f74de",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/highcharts/highcharts/commit/98d3652cdc4f66fbccbbb8b4184ecd8f647f74de"
        },
        {
          "name": "https://github.com/highcharts/highcharts/releases/tag/dashboards-v4.2.2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/highcharts/highcharts/releases/tag/dashboards-v4.2.2"
        }
      ],
      "source": {
        "advisory": "GHSA-grj7-r4jv-pw9j",
        "discovery": "UNKNOWN"
      },
      "title": "Highcharts Dashboards: `chartConstructor` is an unchecked lookup into the Highcharts namespace"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-118245",
    "datePublished": "2026-10-28T17:44:51.571Z",
    "dateReserved": "2026-10-27T20:13:55.312Z",
    "dateUpdated": "2026-10-28T17:44:51.571Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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