CVE-2026-19857: CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') in Formidable Forms
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.
CVE-2026-19857: CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') in Formidable Forms
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.
CVSS v3.1
Score 4.8medium
Affected software
Formidable Forms
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-08-14T09:46:32.169Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aaa3b7555bf5e2cf520fead
Added to database: 09/16/2026, 06:47:17 UTC
Last updated: 09/16/2026, 06:47:17 UTC
Views: 1
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