CVE-2026-19857 (GCVE-0-2026-19857)

Vulnerability from cvelistv5 – Published: 2026-09-16 06:30 – Updated: 2026-09-16 17:40
VLAI
Title
Formidable Forms < 6.35 - Unauthenticated Arbitrary Shortcode Execution via [entry_key] Custom HTML Token
Summary
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.
Severity
4.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 17:40 UTC
CWE
Assigner
WPScan CNA under the mitre root
CNA scorecard E 44/100 over 1943 records in the last 180 days details
References
URL Tags
https://wpscan.com/vulnerability/5ff439f4-aa99-41… exploitvdb-entrytechnical-description
Impacted products
Vendor Product Version CPE status
Unknown Formidable Forms Affected: 6.34 , < 6.35 (semver)
guessed Create a notification for this product.
Credits
Jakub Herman WPScan
Show details on NVD website
To clipboard 

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