CVE-2017-20192

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2017-20192
The Formidable Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple parameters submitted during form entries like 'after_html' in versions before 2.05.03 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute in a victim's browser.

8.3 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope CHANGED

References
Link Resource
https://klikki.fi/adv/formidable.html Exploit Third Party Advisory
https://wordpress.org/plugins/formidable/#developers Product
https://www.wordfence.com/threat-intel/vulnerabilities/id/900fcaab-2424-4ae8-af18-95659db0dbe3?source=cve Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:strategy11:formidable_form_builder:*:*:*:*:*:wordpress:*:*
History

23 Dec 2025, 15:47

Type Values Removed Values Added
References () https://klikki.fi/adv/formidable.html - () https://klikki.fi/adv/formidable.html - Exploit, Third Party Advisory
References () https://wordpress.org/plugins/formidable/#developers - () https://wordpress.org/plugins/formidable/#developers - Product
References () https://www.wordfence.com/threat-intel/vulnerabilities/id/900fcaab-2424-4ae8-af18-95659db0dbe3?source=cve - () https://www.wordfence.com/threat-intel/vulnerabilities/id/900fcaab-2424-4ae8-af18-95659db0dbe3?source=cve - Third Party Advisory
CPE cpe:2.3:a:strategy11:formidable_form_builder:*:*:*:*:*:wordpress:*:*
First Time Strategy11
Strategy11 formidable Form Builder

16 Oct 2024, 16:38

Type Values Removed Values Added
Summary
  • (es) El complemento Formidable Form Builder para WordPress es vulnerable a cross-site scripting almacenado a través de múltiples parámetros enviados durante las entradas de formularios, como 'after_html' en versiones anteriores a la 2.05.03, debido a una desinfección de entrada y un escape de salida insuficientes. Esto permite que atacantes no autenticados inyecten secuencias de comandos web arbitrarias que se ejecutan en el navegador de la víctima.

16 Oct 2024, 07:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-10-16 07:15

Updated : 2025-12-23 15:47

NVD link : CVE-2017-20192

Mitre link : CVE-2017-20192

CVE.ORG link : CVE-2017-20192

JSON object : View

Products Affected

strategy11

  • formidable_form_builder
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')