Funnel Builder for WooCommerce Checkout < 3.15.0.3 Missing Authorization via AJAX
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Funnel Builder for WooCommerce Checkout (FunnelKit) Fixed in 3.15.0.3
Timeline
- 2026-10-02 Threatist record created from CVE-2026-47100
- 2026-10-03 Alias added: GHSA-cffp-87j8-rff2
References
More FunnelKit vulnerabilities
- TI-2024-08524 Automation By Autonami < 3.3.0 - Unauthenticated SQLi CVSS 3.1HIGH 8.6
- TI-2025-01932 WooCommerce Checkout & Funnel Builder by FunnelKit < 3.10.2 - Admin+ SQL Injection CVSS 3.1MEDIUM 6.1
- TI-2025-01346 Missing authorization in FunnelKit Automations – Email Marketing Automation and CRM for… CVSS 3.1CRITICAL 9.8
- TI-2026-30681 WordPress Funnel Builder by FunnelKit plugin <= 3.15.0.1 - SQL Injection vulnerability CVSS 3.1CRITICAL 9.3
- TI-2025-06987 Information disclosure in FunnelKit Automations – Email Marketing Automation and CRM for… CVSS 3.1HIGH 8.8
- TI-2025-12949 FunnelKit – Funnel Builder for WooCommerce Checkout <= 3.13.1.5 - Unauthenticated SQL Injection CVSS 3.1HIGH 7.5
Sources
- CVE-2026-47100 · CVE Program
- CVE-2026-47100 · NVD
- FIRST EPSS
- GHSA-cffp-87j8-rff2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences