CVE-2017-20192

Formidable Form Builder < 2.05.03 - Unauthenticated Stored Cross-Site Scripting

Published Oct 16, 2024 CVSS 3.1 · 8.3 High EPSS 1.1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2017-18910 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.
History
Type Values Removed Values Added
First Time appeared Strategy11 formidable Form Builder
CPEs cpe:2.3:a:strategy11:formidable_form_builder:*:*:*:*:*:wordpress:*:*
Vendors & Products Strategy11 formidable Form Builder
Type Values Removed Values Added
Metrics epss

{'score': 0.00251}

epss

{'score': 0.00279}

Type Values Removed Values Added
First Time appeared Strategy11
Strategy11 formidable Forms
CPEs cpe:2.3:a:strategy11:formidable_forms:*:*:*:*:*:wordpress:*:*
Vendors & Products Strategy11
Strategy11 formidable Forms
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Formidable Form Builder < 2.05.03 - Unauthenticated Stored Cross-Site Scripting
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Apr 8, 2026, 5:06 PM
Reserved
Oct 15, 2024, 5:54 PM
Status
Analyzed
Published
Oct 16, 2024, 7:15 AM
Modified
Jun 17, 2026, 1:15 AM