GHSA-35RR-XWFH-X789 Highcharts Core: `breadcrumbs.style` keys become SVG event-handler attributes

Impact The breadcrumbs style option is applied to the breadcrumb button as SVG attributes rather than as CSS, and the attribute names are not filtered. An attacker who controls the chart configuration can supply keys under breadcrumbs.style that name event handlers, and those keys become live...

Highcharts Core: `breadcrumbs.style` keys become SVG event-handler attributes

Impact The breadcrumbs style option is applied to the breadcrumb button as SVG attributes rather than as CSS, and the attribute names are not filtered. An attacker who controls the chart configuration can supply keys under breadcrumbs.style that name event handlers, and those keys become live...

npm: Highcharts Core: `breadcrumbs.style` keys become SVG event-handler attributes

npm: Highcharts Core: breadcrumbs.style keys become SVG event-handler attributes vulnerability discovered by ? in WordPress npm highcharts versions = 10.0.0, 11.4.9...

GHSA-65HG-CF3F-5M39 Highcharts Core: HTML text parsing falls back to unfiltered `innerHTML` during printing

Impact When the HTML text parser cannot obtain a document from DOMParser because the call throws, it falls back to assigning the raw markup to the innerHTML of an element created in the hosting document, and the allow-list is applied only to the resulting DOM afterwards. In Chromium the Trusted...

Highcharts Core: HTML text parsing falls back to unfiltered `innerHTML` during printing

Impact When the HTML text parser cannot obtain a document from DOMParser because the call throws, it falls back to assigning the raw markup to the innerHTML of an element created in the hosting document, and the allow-list is applied only to the resulting DOM afterwards. In Chromium the Trusted...

npm: Highcharts Core: HTML text parsing falls back to unfiltered `innerHTML` during printing

npm: Highcharts Core: HTML text parsing falls back to unfiltered innerHTML during printing vulnerability discovered by ? in WordPress npm highcharts versions = 12.0.0, 12.6.1...

GHSA-MW4F-GJ5X-6XR4 Highcharts Core: `javascript:` URL in an `xlink:href` attribute survives text filtering and reaches exported charts

Impact The filter applied to markup in text options checks href, src and a few similar attributes against an allowed-scheme list, but accepts xlink:href without that check, so an SVG anchor whose xlink:href is a javascript: URL passes the filter, whether or not the option is rendered with useHTML...

Highcharts Core: `javascript:` URL in an `xlink:href` attribute survives text filtering and reaches exported charts

Impact The filter applied to markup in text options checks href, src and a few similar attributes against an allowed-scheme list, but accepts xlink:href without that check, so an SVG anchor whose xlink:href is a javascript: URL passes the filter, whether or not the option is rendered with useHTML...

npm: Highcharts Core: `javascript:` URL in an `xlink:href` attribute survives text filtering and reaches exported charts

npm: Highcharts Core: javascript: URL in an xlink:href attribute survives text filtering and reaches exported charts vulnerability discovered by ? in WordPress npm highcharts versions = 10.3.2, 11.4.9...

CVE-2026-118246 Highcharts Core: `breadcrumbs.style` keys become SVG event-handler attributes

Highcharts JS is a JavaScript charting library based on SVG. From 10.0.0 until 11.4.9, 12.6.1, and 13.1.0, Highcharts applies breadcrumbs.style as SVG attributes rather than CSS and does not filter the attribute names. An attacker who controls chart configuration can provide event-handler keys...

CVE-2026-118246 Highcharts Core: `breadcrumbs.style` keys become SVG event-handler attributes

Highcharts JS is a JavaScript charting library based on SVG. From 10.0.0 until 11.4.9, 12.6.1, and 13.1.0, Highcharts applies breadcrumbs.style as SVG attributes rather than CSS and does not filter the attribute names. An attacker who controls chart configuration can provide event-handler keys...

CVE-2026-118246

The Highcharts JS library (versions 10.0.0 through 11.4.9 , 12.6.1 , and 13.1.0 ) is vulnerable to a Cross-Site Scripting (XSS) flaw because it applies breadcrumbs.style as SVG attributes without filtering attribute names. An attacker who can control the chart configuration can inject event-handl...

CVE-2026-118244 Highcharts Core: AST `DOMParser` fallback assigns unsanitized markup to `innerHTML` during print

Highcharts JS is a JavaScript charting library based on SVG. From 12.0.0 until 12.6.1 and 13.1.0, Highcharts falls back to assigning raw markup to innerHTML when DOMParser cannot return a document, before its allow-list is applied. In Chromium, the Trusted Types callback can throw while a...

CVE-2026-118244

The Highcharts JS charting library is vulnerable to a Cross-site Scripting (XSS) issue in versions 12.0.0 through 12.6.1 and 13.1.0 . The root cause is a fallback mechanism where the library assigns raw markup to innerHTML when DOMParser fails to return a document, bypassing the internal allow-li...

CVE-2026-118244 Highcharts Core: AST `DOMParser` fallback assigns unsanitized markup to `innerHTML` during print

Highcharts JS is a JavaScript charting library based on SVG. From 12.0.0 until 12.6.1 and 13.1.0, Highcharts falls back to assigning raw markup to innerHTML when DOMParser cannot return a document, before its allow-list is applied. In Chromium, the Trusted Types callback can throw while a...

CVE-2026-116796 Highcharts Core: `javascript:` URL in an `xlink:href` attribute survives text filtering and reaches exported charts

Highcharts JS is a JavaScript charting library based on SVG. From 10.3.2 until 11.4.9, 12.6.2, and 13.1.1, Highcharts accepts an SVG anchor xlink:href attribute without applying the allowed-scheme check used for href and src. An attacker who controls a chart text option can preserve a javascript...

CVE-2026-116796 Highcharts Core: `javascript:` URL in an `xlink:href` attribute survives text filtering and reaches exported charts

Highcharts JS is a JavaScript charting library based on SVG. From 10.3.2 until 11.4.9, 12.6.2, and 13.1.1, Highcharts accepts an SVG anchor xlink:href attribute without applying the allowed-scheme check used for href and src. An attacker who controls a chart text option can preserve a javascript...

CVE-2026-116796

The Highcharts JS charting library (versions 10.3.2 through 11.4.9, 12.6.2, and 13.1.1) is vulnerable to a Cross-Site Scripting (XSS) flaw. The library fails to apply allowed-scheme checks to the xlink:href attribute of SVG anchors, even though it applies them to href and src attributes. An attac...