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4.8 Medium

CVE-2026-19857 The Formidable Forms WordPress plugin before 6.35 does not prevent a request-derived value from reaching the WordPress…

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.

Affected products and versions

Product Affected versions Fixed in
Formidable Forms 6.34 6.34 → < 6.35 6.35
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