CVE-2026-118254
Published:October 28, 2026
Updated:November 02, 2026
Highcharts JS is a JavaScript charting library based on SVG. From 2.0.0 until 3.2.0, Highcharts Grid writes pagination language strings into the DOM as markup instead of text. An attacker who controls the Grid language configuration can provide elements with event handlers, which execute in the hosting page origin when pagination controls render. Exploitation requires pagination to be enabled but does not require additional user interaction. This issue is fixed in 3.2.0.
Affected Packages
https://github.com/highcharts/highcharts.git (GITHUB):
Affected version(s) >=grid-v3.0.0 <grid-v3.2.0Fix Suggestion:
Update to version grid-v3.2.0@highcharts/grid-lite (NPM):
Affected version(s) >=2.0.0 <3.2.0Fix Suggestion:
Update to version 3.2.0@highcharts/grid-lite (NPM):
Affected version(s) >=3.0.0 <3.2.0Fix Suggestion:
Update to version 3.2.0@highcharts/grid-pro (NPM):
Affected version(s) >=3.0.0 <3.2.0Fix Suggestion:
Update to version 3.2.0@highcharts/grid-pro (NPM):
Affected version(s) >=2.0.0 <3.2.0Fix Suggestion:
Update to version 3.2.0Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.6
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation
EPSS
Base Score:
0.42