Threat intelligence

FunnelKit – Funnel Builder for WooCommerce Checkout <= 3.15.0.8 - Unauthenticated Stored Cross-Site Scripting

CVE-2026-57816 · funnel-builder

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Funnel Builder at a vulnerable version. How SiteRespond intelligence works

Vulnerability: FunnelKit – Funnel Builder for WooCommerce Checkout <= 3.15.0.8 - Unauthenticated Stored Cross-Site Scripting
Affected software: funnel-builder(Plugin)
Affected versions: ≤ 3.15.0.8
Authentication: Unauthenticated
Vulnerability type: Cross-site scripting
CVE: CVE-2026-57816
Published: 10 July 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory c31de71e-254a-4ae1-a4f1-0922c26d4154). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Funnel Builder version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Funnel Builder advisoriesBack to catalog