CVE-2026-39440 PUBLISHED

WordPress FunnelFormsPro plugin <= 3.8.1 - Remote Code Execution (RCE) vulnerability

Assigner: Patchstack
Reserved: 07.04.2026 Published: 23.04.2026 Updated: 23.04.2026

Improper Control of Generation of Code ('Code Injection') vulnerability in Funnelforms LLC FunnelFormsPro allows Remote Code Inclusion.This issue affects FunnelFormsPro: from n/a through 3.8.1.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 9.9

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Funnelforms LLC
Product	FunnelFormsPro
Versions	Default: unaffected affected from n/a to 3.8.1 (incl.)

Credits

3ele / Sebastian Weiss | Patchstack Bug Bounty Program finder

References

https://patchstack.com/database/wordpress/plugin/funnelforms-pro/vulnerability/wordpress-funnelformspro-plugin-3-8-1-remote-code-execution-rce-vulnerability?_s_id=cve

Problem Types

CWE-94 Improper Control of Generation of Code ('Code Injection') CWE

Impacts

CAPEC-253 Remote Code Inclusion