What is CVE-2026-47100?

CVE-2026-47100 is a high-severity vulnerability in Funnelkit Funnel Builder For Woocommerce Checkout, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-05-19.

How severe is CVE-2026-47100?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2026-47100 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Funnelkit Funnel Builder For Woocommerce Checkout

CVE-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 plugi…

Vulnerability class: Broken Access Control

EPSS: 0.000 (15.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Funnelkit Funnel Builder For Woocommerce Checkout — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

Public proof-of-concept exploits

rootdirective-sec/CVE-2026-47100-Analysis-Lab

References

disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-47100?: CVE-2026-47100 is a high-severity vulnerability in Funnelkit Funnel Builder For Woocommerce Checkout, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-05-19.
How severe is CVE-2026-47100?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2026-47100 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.