Funnel Builder for WooCommerce Checkout < 3.15.0.3 Missing Authorization via AJAX
Title source: cnaExploitation Summary
CVE-2026-47100 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including rootdirective-sec.
Description
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.
Exploits (1)
github
FAILED
by rootdirective-sec · pythonpoc
https://github.com/rootdirective-sec/CVE-2026-47100-Analysis-Lab
References (3)
Core 3
Core References
Technical Description technical-description
https://sansec.io/research/funnelkit-woocommerce-vulnerability-exploited
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/funnel-builder-for-woocommerce-checkout-missing-authorization-via-ajax
Scores
CVSS v3
7.5
EPSS
0.0005
EPSS Percentile
15.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Lab Environment
COMMUNITY
Community Lab
Details
VulnCheck KEV
2026-05-14
CWE
CWE-862
Status
published
Products (1)
FunnelKit/Funnel Builder for WooCommerce Checkout
< 3.15.0.3
Published
May 19, 2026
Tracked Since
May 19, 2026