ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2026-47100

FunnelKit funnel_builder Missing Authorization

Published May 14, 2026 · catalog updated Jul 24, 2026 · FunnelKit Funnel Builder for WooCommerce Checkout

Patch now

CVE-2026-47100 is in the CISA known-exploited catalog. Confirm FunnelKit Funnel Builder for WooCommerce Checkout against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High8.7
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.49%
Remediation
Remediation guidance
Affected products
vendor FunnelKit Funnel Builder for WooCommerce Checkout

Funnel Builder for WooCommerce Checkout prior to 3.15.0.3 contains a missing authorization vulnerability in the public checkout endpoint that allows unauthenticated attackers to invoke internal methods and write arbitrary data to the plugin's External Scripts global setting. Attackers can inject malicious JavaScript through the External Scripts setting that executes in the browsers of all checkout page visitors.

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.

  • vendor FunnelKit Funnel Builder for WooCommerce Checkoutversion unspecified

How to fix CVE-2026-47100

What to do

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

Should you patch?

CVE-2026-47100 is in the CISA known-exploited catalog. Confirm FunnelKit Funnel Builder for WooCommerce Checkout against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

CWE-862: Missing Authorization. EPSS 0.49%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

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

Timeline

Detection, updates, and resolution for this record.

  1. May 14, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  2. May 19, 2026 · NIST NVD

    Detected

    Funnel Builder for WooCommerce Checkout prior to 3.15.0.3 contains a missing authorization vulnerability in the public checkout endpoint that allows unauthenticated attackers to invoke internal methods and write arbitrary data to the plugin's External Scripts global setting. Attackers can inject malicious JavaScript through the External Scripts setting that executes in the browsers of all checkout

  3. Jul 24, 2026 · NIST NVD

    Updated

    Funnel Builder for WooCommerce Checkout prior to 3.15.0.3 contains a missing authorization vulnerability in the public checkout endpoint that allows unauthenticated attackers to invoke internal methods and write arbitrary data to the plugin's External Scripts global setting. Attackers can inject malicious JavaScript through the External Scripts setting that executes in the browsers of all checkout

Sources

  • CVE.orgVulnerability recordCVE-2026-47100

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-47100

    30-day exploitation probability 0.5%

    first.org
  • NIST NVDVulnerability recordCVE-2026-47100

    Funnel Builder for WooCommerce Checkout prior to 3.15.0.3 contains a missing authorization vulnerability in the public checkout endpoint that allows unauthenticated attackers to invoke internal methods and write arbitrary data to the plugin's External Scripts global setting. Atta

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2026-47100

    Funnel Builder for WooCommerce Checkout prior to 3.15.0.3 contains a missing authorization vulnerability in the public checkout endpoint that allows unauthenticated attackers to invoke internal methods and write arbitrary data to the plugin's External Scripts global setting. Atta

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.