Medium severity4.8NVD Advisory· Published Sep 16, 2026
CVE-2026-19857
CVE-2026-19857
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.
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Affected products
1- Range: <6.35
Patches
Vulnerability mechanics
References
1News mentions
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