CVE-2026-118255

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    CVE-2026-118255

    Published: 28 Oct 2026Last Modified: 4 Nov 2026

    Summary: Highcharts Grid: javascript: URL in credits.href runs script on click

    Details: Highcharts JS is a JavaScript charting library based on SVG. From 2.0.0 until 3.2.0, Highcharts Grid applies credits.href to the credits link without validating the URL scheme. An attacker who controls Grid configuration can provide a javascript URL, and activating the credits link runs script in the origin of the hosting page with access to that application's data and session state.This issue is fixed in Grid Pro 3.2.0.

    References: https://github.com/highcharts/highcharts/releases/tag/grid-v3.2.0, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/118xxx/CVE-2026-118255.json, https://github.com/highcharts/highcharts/security/advisories/GHSA-6hgp-fmhr-mrg4, https://nvd.nist.gov/vuln/detail/CVE-2026-118255, https://github.com/highcharts/highcharts/commit/45b74403acafbe9f621c4a343506721d9129e991, https://github.com/highcharts/highcharts/pull/25351

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -283f2c015f0e2830d7eb53714ce894efc227b1c7

    Affected versions

    v13.0.0
    v13.0.2
    v13.0.1
    v13.0.0-beta.1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-118255 | CVE-DB