CVE-2026-47100
Funnel Builder for WooCommerce Checkout < 3.15.0.3 Missing Authorization via AJAX
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.
INFO
Published Date :
May 19, 2026, 3:16 p.m.
Last Modified :
July 24, 2026, 12:10 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update the plugin to the latest version.
- Verify plugin settings for unauthorized changes.
- Review loaded external scripts for malicious content.
Public PoC/Exploit Available at Github
CVE-2026-47100 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-47100.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-47100 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-47100
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.
security cve exploit poc vulnerability
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-47100 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-47100 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Translated by [email protected]
Jul. 24, 2026
Action Type Old Value New Value Added Translation Title: plugin de WordPress Funnel Builder para WooCommerce Checkout, Description: Funnel Builder para WooCommerce Checkout anterior a 3.15.0.3 contiene una vulnerabilidad de autorización faltante en el endpoint público de pago que permite a atacantes no autenticados invocar métodos internos y escribir datos arbitrarios en la configuración global 'External Scripts' del plugin. Los atacantes pueden inyectar JavaScript malicioso a través de la configuración 'External Scripts' que se ejecuta en los navegadores de todos los visitantes de la página de pago. -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://wordpress.org/plugins/funnel-builder', 'vendor': 'FunnelKit', 'product': 'Funnel Builder for WooCommerce Checkout', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '3.15.0.3', 'versionType': 'custom'}], 'defaultStatus': 'affected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-47100', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-05-19T14:39:04.981452Z'} -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
May. 19, 2026
Action Type Old Value New Value Added Reference https://sansec.io/research/funnelkit-woocommerce-vulnerability-exploited -
New CVE Received by [email protected]
May. 19, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Added CWE CWE-862 Added Reference https://plugins.trac.wordpress.org/changeset/3530797/funnel-builder/tags/3.15.0.3/modules/checkouts/includes/class-wfacp-ajax-controller.php Added Reference https://sansec.io/research/funnelkit-woocommerce-vulnerability-exploited Added Reference https://www.vulncheck.com/advisories/funnel-builder-for-woocommerce-checkout-missing-authorization-via-ajax