The Formidable Forms WordPress plugin before 6.35 does not prevent a request-derived value from reaching the WordPress shortcode parser when it substitutes a supported token into a form's custom HTML, allowing unauthenticated visitors to have arbitrary shortcodes, with attacker-chosen attributes, executed server-side on any page displaying an affected form.
Metrics
Affected Vendors & Products
Advisories
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Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Wed, 16 Sep 2026 06:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The Formidable Forms WordPress plugin before 6.35 does not prevent a request-derived value from reaching the WordPress shortcode parser when it substitutes a supported token into a form's custom HTML, allowing unauthenticated visitors to have arbitrary shortcodes, with attacker-chosen attributes, executed server-side on any page displaying an affected form. | |
| Title | Formidable Forms < 6.35 - Unauthenticated Arbitrary Shortcode Execution via [entry_key] Custom HTML Token | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: WPScan
Published:
Updated: 2026-09-16T06:30:05.888Z
Reserved: 2026-08-14T09:46:32.169Z
Link: CVE-2026-19857
No data.
Status : Received
Published: 2026-09-16T07:16:36.720
Modified: 2026-09-16T07:16:36.720
Link: CVE-2026-19857
No data.
OpenCVE Enrichment
No data.
Weaknesses
No weakness.