CVE-2026-47100

Funnel Builder for WooCommerce Checkout < 3.15.0.3 Missing Authorization via AJAX

8.7 HighPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: None

Exploit likelihood

0.46%Up 0.4 points since May 20, 2026

What each source reports

CVE List Score used 8.7

Funnel Builder for WooCommerce Checkout < 3.15.0.3 Missing Authorization via AJAX

Record: CVE-2026-47100
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-862
Updated: 2026-11-02

EUVDEUVD-2026-30936 8.7

Record: EUVD-2026-30936
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-cffp-87j8-rff2 8.7

Funnel Builder for WooCommerce Checkout prior to 3.15.0.3 contains a missing authorization...

Record: GHSA-cffp-87j8-rff2
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/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
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-862
Updated: 2026-11-02

NVD 8.7

Record: CVE-2026-47100
CVSS 4.0: 8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/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
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-862
Updated: 2026-11-02

Affected products

funnelkit funnel builder for woocommerce checkout

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	rootdirective-sec/CVE-2026-47100-Analysis-Lab	2026-05-28

History

History
Recorded	Changed	Sources
Nov 2, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-47100 is a high vulnerability (CVSS 8.7) in Funnelkit Funnel Builder For Woocommerce Checkout, published May 19, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 39th percentile. No source names a fixed version.