# Highcharts vulnerabilities Source: https://junglewise.ai/threats/vendors/highcharts Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/vendors/highcharts.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 17 vulnerabilities in Highcharts: 0 in the last 7 days and 15 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-118255, was published on 28 October 2026. 15 vulnerabilities in the last four weeks, up from none in the four before. 4 technologies have a page of their own. ## Counts - Last 7 days: 0 - Last 30 days: 15 - Last 90 days: 15 - All time: 17 (0 critical, 0 exploited in the wild) ## About Highcharts JavaScript charting library for creating interactive data visualizations. ## Latest Highcharts vulnerabilities - [CVE-2026-118255: Highcharts Grid unvalidated credits href XSS](https://junglewise.ai/threats/cve-2026-118255-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118254: Highcharts Grid cross-site scripting in pagination language strings](https://junglewise.ai/threats/cve-2026-118254-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118253: Highcharts Dashboards cross-site scripting in fullscreen label](https://junglewise.ai/threats/cve-2026-118253-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118252: Highcharts Dashboards XSS in edit-mode sidebar](https://junglewise.ai/threats/cve-2026-118252-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118251: Highcharts JavaScript library cross-site scripting in credits link](https://junglewise.ai/threats/cve-2026-118251-highcharts-js-is-a-javascript-charting-library-based-on-svg) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118250: Highcharts JS prototype pollution via dotted series keys](https://junglewise.ai/threats/cve-2026-118250-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118248: Highcharts Dashboards prototype pollution in edit mode](https://junglewise.ai/threats/cve-2026-118248-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (info, published 28 Oct 2026) - [CVE-2026-118247: Highcharts DataTable prototype pollution via column ID](https://junglewise.ai/threats/cve-2026-118247-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (medium, CVSS 4, published 28 Oct 2026) - [CVE-2026-118246: Highcharts JavaScript event handler injection via breadcrumbs](https://junglewise.ai/threats/cve-2026-118246-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118245: Highcharts Dashboards arbitrary property injection via chartConstructor](https://junglewise.ai/threats/cve-2026-118245-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118244: Highcharts JS cross-site scripting via innerHTML fallback on print](https://junglewise.ai/threats/cve-2026-118244-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118243: Highcharts Dashboards prototype pollution via table IDs](https://junglewise.ai/threats/cve-2026-118243-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (medium, CVSS 4, published 28 Oct 2026) - [CVE-2026-118242: Highcharts Grid arbitrary script execution in icon rendering](https://junglewise.ai/threats/cve-2026-118242-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-116797: Highcharts Grid Pro DOM-based XSS via unfiltered renderer attributes](https://junglewise.ai/threats/cve-2026-116797-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-116796: Highcharts JS unfiltered xlink:href in exported SVG](https://junglewise.ai/threats/cve-2026-116796-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2021-29489: Highcharts options structure cross-site scripting](https://junglewise.ai/threats/cve-2021-29489-highcharts-options-structure-cross-site-scripting) (low, CVSS 3.1, published 6 May 2021) - [Highcharts Export Server HTTP resource disclosure](https://junglewise.ai/threats/highcharts-export-server-http-resource-disclosure-79d64fab) (info, published 12 Mar 2021) ## Most severe Highcharts vulnerabilities - [CVE-2026-118255: Highcharts Grid unvalidated credits href XSS](https://junglewise.ai/threats/cve-2026-118255-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118254: Highcharts Grid cross-site scripting in pagination language strings](https://junglewise.ai/threats/cve-2026-118254-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118253: Highcharts Dashboards cross-site scripting in fullscreen label](https://junglewise.ai/threats/cve-2026-118253-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118252: Highcharts Dashboards XSS in edit-mode sidebar](https://junglewise.ai/threats/cve-2026-118252-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118251: Highcharts JavaScript library cross-site scripting in credits link](https://junglewise.ai/threats/cve-2026-118251-highcharts-js-is-a-javascript-charting-library-based-on-svg) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118250: Highcharts JS prototype pollution via dotted series keys](https://junglewise.ai/threats/cve-2026-118250-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118246: Highcharts JavaScript event handler injection via breadcrumbs](https://junglewise.ai/threats/cve-2026-118246-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118245: Highcharts Dashboards arbitrary property injection via chartConstructor](https://junglewise.ai/threats/cve-2026-118245-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118244: Highcharts JS cross-site scripting via innerHTML fallback on print](https://junglewise.ai/threats/cve-2026-118244-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) - [CVE-2026-118242: Highcharts Grid arbitrary script execution in icon rendering](https://junglewise.ai/threats/cve-2026-118242-highcharts-js-is-a-javascript-charting-library-based-on-svg-from) (high, CVSS 4, published 28 Oct 2026) ## Vulnerabilities per week 15 vulnerabilities in the last four weeks, up from none in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 15 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Highcharts technologies - [Highcharts Dashboards](https://junglewise.ai/threats/technologies/dashboards): 6 vulnerabilities - [Highcharts Grid Pro](https://junglewise.ai/threats/technologies/grid-pro): 3 vulnerabilities - [Highcharts Grid](https://junglewise.ai/threats/technologies/highcharts-grid): 3 vulnerabilities - [Highcharts JS](https://junglewise.ai/threats/technologies/highcharts-highcharts-js): 3 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Highcharts vulnerabilities", https://junglewise.ai/threats/vendors/highcharts, 9 November 2026.