{"id":"EUVD-2026-112355","revision":null,"records":[{"revision":"63997aa2a6b046b1aa4c7faa89102756","observedAt":"2026-10-29T21:48:56.968+00:00","statement":{"source":"cve-program","id":"CVE-2026-118253","aliases":[],"title":"Highcharts Dashboards: fullscreen labels are parsed as HTML","description":"Highcharts JS is a JavaScript charting library based on SVG. From 1.0.0 until 4.2.3, Highcharts Dashboards edit mode parses fullscreen language labels as HTML rather than inserting them as text. An attacker who controls Dashboards language options can supply markup with event handlers, which execute in the hosting page origin when the fullscreen control is rendered. The label is reachable only when edit mode is enabled and viewFullscreen is present in the context-menu items. This issue is fixed in 4.2.3.","state":0,"publishedAt":"2026-10-28T18:11:03.809+00:00","modifiedAt":"2026-10-29T20:55:13.964+00:00","affected":[{"ecosystem":"Vendor product","name":"highcharts","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"highcharts\",\n                    \"product\": \"highcharts\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 13.0.0-beta.2\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"dashboards","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"@highcharts\",\n                    \"product\": \"dashboards\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 1.0.0, < 4.2.3\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N","score":8.4,"severity":"HIGH"}],"references":["https://github.com/highcharts/highcharts/security/advisories/GHSA-58g7-7f52-h92c","https://github.com/highcharts/highcharts/commit/f97213bab745e40f628720c21f4e8b31ee3e768b","https://github.com/highcharts/highcharts/releases/tag/dashboards-v4.2.3"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-118253","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-118253","identifiers":["CVE-2026-118253"]},"retained":false,"historicalAffected":[]},{"revision":"bbe29215d4804d668fa9b1f1ae4fb0cb","observedAt":"2026-11-06T00:43:33.07+00:00","statement":{"source":"euvd","id":"EUVD-2026-112355","aliases":["CVE-2026-118253","GHSA-58g7-7f52-h92c"],"title":"Highcharts JS is a JavaScript charting library based on SVG. From 1.0.0 until 4.2.3, Highcharts Dashboards edit mode parses fullscreen language labels as HTML rather than inserting them as text. An attacker who controls Dashboards language …","description":"Highcharts JS is a JavaScript charting library based on SVG. From 1.0.0 until 4.2.3, Highcharts Dashboards edit mode parses fullscreen language labels as HTML rather than inserting them as text. An attacker who controls Dashboards language options can supply markup with event handlers, which execute in the hosting page origin when the fullscreen control is rendered. The label is reachable only when edit mode is enabled and viewFullscreen is present in the context-menu items. This issue is fixed in 4.2.3.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N","score":8.4,"severity":null}],"references":["https://github.com/highcharts/highcharts/security/advisories/GHSA-58g7-7f52-h92c","https://github.com/highcharts/highcharts/commit/f97213bab745e40f628720c21f4e8b31ee3e768b","https://github.com/highcharts/highcharts/releases/tag/dashboards-v4.2.3"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112355","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Oct 28, 2026, 6:11:03 PM","dateUpdated":"Oct 29, 2026, 8:55:13 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. 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An attacker who controls Dashboards language options can supply markup with event handlers, which execute in the hosting page origin when the fullscreen control is rendered. The label is reachable only when edit mode is enabled and viewFullscreen is present in the context-menu items. This issue is fixed in 4.2.3.","state":0,"publishedAt":"2026-10-28T19:17:29.627+00:00","modifiedAt":"2026-10-29T21:17:15.437+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · security-advisories@github.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/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","score":8.4,"severity":"HIGH"}],"references":["https://github.com/highcharts/highcharts/commit/f97213bab745e40f628720c21f4e8b31ee3e768b","https://github.com/highcharts/highcharts/releases/tag/dashboards-v4.2.3","https://github.com/highcharts/highcharts/security/advisories/GHSA-58g7-7f52-h92c"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-118253","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Awaiting Analysis","weaknesses":["CWE-79"],"productCriteria":[],"sourceDates":{"published":"2026-10-28T19:17:29.627","lastModified":"2026-10-29T21:17:15.437"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-118253","identifiers":["CVE-2026-118253"]},"retained":false,"historicalAffected":[]},{"revision":"6b319d3b1c4c42b3b23eda1d4b402da5","observedAt":"2026-10-28T20:55:42.711+00:00","statement":{"source":"osv","id":"GHSA-58g7-7f52-h92c","aliases":["CVE-2026-118253"],"title":"Highcharts Dashboards parses fullscreen labels as HTML","description":"### Impact\nThe edit mode fullscreen labels are parsed as HTML when the corresponding control is rendered. An attacker who controls the Dashboards language options can supply markup carrying event handlers, which then execute in the origin of the page hosting the dashboard. Exploitation requires that untrusted data reach the Dashboards language configuration and that the affected control be rendered. Script running this way has the same access to page data, storage and session state as the hosting application.\n\n### Workarounds\n\nUntil you can upgrade, replace `Fullscreen.prototype.setButtonText` atapplication startup. The replacement is the original method with `textContent` in place of `innerHTML`.\n\n#### If you install Dashboards from npm\n\nImport the module once, before any board is created.\n\n```js\nimport Fullscreen from '@highcharts/dashboards/es-modules/Dashboards/EditMode/Fullscreen.js';\n\nFullscreen.prototype.setButtonText = function () {\n    const editMode = this.board.editMode,\n        button = editMode?.tools.contextMenu?.items.viewFullscreen;\n\n    if (button?.innerElement) {\n        const lang = editMode.lang;\n\n        button.innerElement.textContent =\n            (this.isOpen ? lang.exitFullscreen : lang.viewFullscreen) || '';\n    }\n};\n```\n\n#### If you load Dashboards from a `<script>` tag\n\nThe same replacement, taking `Fullscreen` from the global namespace. It must run after `modules/layout` and before any board is created.\n\n```html\n<script src=\"https://code.highcharts.com/dashboards/dashboards.js\"></script>\n<script src=\"https://code.highcharts.com/dashboards/modules/layout.js\"></script>\n<script>\n{\n    const Fullscreen = window.Dashboards?.Fullscreen;\n\n    Fullscreen.prototype.setButtonText = function () {\n        const editMode = this.board.editMode,\n            button = editMode?.tools.contextMenu?.items.viewFullscreen;\n\n        if (button?.innerElement) {\n            const lang = editMode.lang;\n\n            button.innerElement.textContent =\n                (this.isOpen ? lang.exitFullscreen : lang.viewFullscreen) || '';\n        }\n    };\n}\n</script>\n```\n\nIf your application does not need Edit Mode, leaving it disabled (`editMode.enabled: false`) removes the exposure as well. The same applies to the context menu — the label is only reachable when `viewFullscreen` is among `editMode.contextMenu.items`.\n\n### Obtaining the patched version\nThe patched releases are available from all the usual distribution channels. With npm, upgrade the affected package to the patched version listed above, for example `npm install @highcharts/dashboards@4.2.3`. If you load Highcharts Dashboards from a CDN, use a versioned URL, for example `https://code.highcharts.com/dashboards/4.2.3/dashboards.js`. For more on each installation method, see the [installation guide](https://www.highcharts.com/docs/dashboards/installation).","state":0,"publishedAt":"2026-10-28T19:57:19+00:00","modifiedAt":"2026-10-28T20:15:05.4531682+00:00","affected":[{"ecosystem":"npm","name":"@highcharts/dashboards","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"1.0.0"},{"kind":"fixed","version":"4.2.3"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/highcharts/highcharts/security/advisories/GHSA-58g7-7f52-h92c","https://github.com/highcharts/highcharts/commit/f97213bab745e40f628720c21f4e8b31ee3e768b","https://github.com/highcharts/highcharts","https://github.com/highcharts/highcharts/releases/tag/dashboards-v4.2.3"],"sourceUrl":"https://github.com/advisories/GHSA-58g7-7f52-h92c","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-58g7-7f52-h92c","identifiers":["GHSA-58g7-7f52-h92c","CVE-2026-118253"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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