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Vulnerabilities

Vulnerability · CVE-2026-118255

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

Published Oct 28, 2026 · Highcharts Grid: URL in

Last checked Nov 7, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-118255. EPSS is 0.35%. Act only if a listed version of Highcharts Grid: URL in is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Highcharts Grid: URL in).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.35%
Remediation
Not established
Affected products
npm @highcharts

An attacker who controls the Grid configuration can set credits.href to a javascript: URL. The value is not validated against an allowed-scheme list before it is applied to the credits link, so activating that link runs attacker-supplied script in the origin of the page hosting the Grid. Exploitation requires that untrusted data reach the Grid configuration and that a user activate the credits link. Script running this way has the …

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • npm @highchartsversion unspecified

How to fix CVE-2026-118255

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-118255. EPSS is 0.35%. Act only if a listed version of Highcharts Grid: URL in is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.35%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 28, 2026 · GitLab Advisory Database

    Detected

    An attacker who controls the Grid configuration can set credits.href to a javascript: URL. The value is not validated against an allowed-scheme list before it is applied to the credits link, so activating that link runs attacker-supplied script in the origin of the page hosting the Grid. Exploitation requires that untrusted data reach the Grid configuration and that a user activate the credits lin

Sources

  • CVE.orgVulnerability recordCVE-2026-118255

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-118255

    30-day exploitation probability 0.35%

    first.org
  • GitLab Advisory DatabasePackage advisoryCVE-2026-118255

    An attacker who controls the Grid configuration can set credits.href to a javascript: URL. The value is not validated against an allowed-scheme list before it is applied to the credits link, so activating that link runs attacker-supplied script in the origin of the page hosting the Grid. Exploitation requires that untrusted data reach the Grid configuration and that a user activate the credits lin

    advisories.gitlab.com

Freshness

Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 7, 2026
  • GitLab Advisory DatabaseOct 30, 2026
  • CVE.orgOct 29, 2026