MEDIUM 6.5 NVD
CVE-2026-100155
The The Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder plugin for WordPress is vulnerable to arbitrary shortcode exe
The The Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 3.15.5 This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.
References
- https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.4/includes/AJAX/Controlle
- https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.4/includes/AJAX/Controlle
- https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.4/includes/Abstracts/Merg
- https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.4/includes/Actions/Succes
- https://plugins.trac.wordpress.org/browser/ninja-forms/tags/3.15.4/includes/Actions/Succes
This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-10-31 via NVD.
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