CVE-2017-20194
MediumExploitedFormidable Form Builder < 2.05.03 - Unauthenticated Information Disclosure
Published Oct 17, 2024 · Updated Apr 8, 2026 · Also known as c7600fe1-94e4-4e3e-a9a6-ff3589813715
Key Facts
Patch immediately- CVE-2017-20194 is a medium-severity vulnerability (CVSS 5.3 v3.1) affecting Formidable Form Builder (Strategy11), formidable (wordpress-plugin), Formidable Forms – Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder.
- It is exploited in the wild, listed in Industry KEV feed since Oct 15, 2024. No public exploit code is known.
- EPSS estimates a 1.1% probability of exploitation in the next 30 days.
- Fixed versions are available, including formidable 2.05.03, Formidable Forms – Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder 2.05.03, Formidable Form Builder <=2.05.03.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS (30-day exploit likelihood)
1.1%
Higher than 65.8% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
None known
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Description
The Formidable Form Builder plugin for WordPress is vulnerable to Sensitive Data Exposure in versions up to, and including, 2.05.03 via the frm_forms_preview AJAX action. This makes it possible for unauthenticated attackers to export all of the form entries for a given form.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Oct 15, 2024 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Formidable Form BuilderStrategy11 | See advisory | 2.05.03 |
| formidablewordpress-plugin | See advisory | 2.05.03 |
| Formidable Forms – Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder | See advisory | 2.05.03 |
Patched Releases
formidable
2.05.03
Formidable Forms – Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder
2.05.03
Formidable Form Builder
<=2.05.03
Timeline
Added to Industry KEV feed
Oct 15, 2024
Publicly disclosed
Oct 17, 2024
Last updated
Apr 8, 2026
Weakness Type
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
- advisoryhttps://wordpress.org/plugins/nmedia-user-file-uploader/#developers
- advisoryhttps://wpscan.com/vulnerability/052f7d9a-aaff-4fb1-92b7-aeb83cc705a7
- advisoryhttps://www.acunetix.com/vulnerabilities/web/wordpress-plugin-n-media-post-front-end-form-arbitrary-file-upload-1-0/
- advisoryhttps://www.pluginvulnerabilities.com/2016/09/19/arbitrary-file-upload-vulnerability-in-front-end-file-upload-and-manager-plugin/
- advisoryhttps://www.pluginvulnerabilities.com/2016/09/19/arbitrary-file-upload-vulnerability-in-n-media-post-front-end-form/
FAQ
Common Questions.
The Formidable Form Builder plugin for WordPress is vulnerable to Sensitive Data Exposure in versions up to, and including, 2.05.03 via the frm_forms_preview AJAX action.
Affected: Formidable Form Builder (Strategy11); formidable (wordpress-plugin); Formidable Forms – Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Oct 15, 2024.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including formidable 2.05.03, Formidable Forms – Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder 2.05.03, Formidable Form Builder <=2.05.03.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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