CVE-2026-118255

HighCVSS 8.4/10Last modified Nov 2, 2026

Description

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.

Metrics

CVSS 4.0 8.4/10CVSS: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

Weakness enumeration

CWE-79

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
highchartshighcharts< 13.0.0-beta.2
@highchartsdashboards>= 3.2.0, < 4.0.0
@highchartsgrid-pro>= 2.0.0, < 3.2.0

References

Timeline

Published
Oct 28, 2026
Last modified
Nov 2, 2026
NVD status
Awaiting Analysis

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CVE-2026-118255: High severity, CVSS 8.4 | Vulnix