Threat intelligence

FunnelKit Funnel Builder Pro <= 3.15.0.4 - Authenticated (Customer+) Stored Cross-Site Scripting

CVE-2026-57373 · funnel-builder-pro

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

Vulnerability: FunnelKit Funnel Builder Pro <= 3.15.0.4 - Authenticated (Customer+) Stored Cross-Site Scripting
Affected software: funnel-builder-pro(Plugin)
Affected versions: ≤ 3.15.0.4
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-57373
Published: 7 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 e38e8450-743f-47e7-931e-4c2636bd42b4). Methodology and redistribution notes

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