🔐 CVE Alert

CVE-2026-8692

MEDIUM 4.3

Vedrixa Forms <= 1.1.1 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Form Structure Modification via wefb_save_form_structure AJAX Action

CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th

The Vedrixa Forms – User Registration Form, Signup Form & Drag & Drop Form Builder plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.1.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to overwrite the structure of any form — adding, removing, or altering fields — by writing attacker-controlled data to the plugin's FORMS database table. The 'ajax-nonce' nonce used by this handler is injected into the public frontend via wp_localize_script(), so any authenticated user who visits a page containing a form shortcode can obtain it without any elevated access.

CWE CWE-862
Vendor registrationformbuilder
Product vedrixa forms – user registration form, signup form & drag & drop form builder
Published May 22, 2026
Last Updated May 22, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

registrationformbuilder / Vedrixa Forms – User Registration Form, Signup Form & Drag & Drop Form Builder
0 ≤ 1.1.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/1b3b8a6c-1c84-4abe-ad4a-02302b04987b?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/vedrixa-forms-registration-builder/tags/1.1.1/admin/class-registration-form-builder-admin.php#L866 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/vedrixa-forms-registration-builder/tags/1.1.1/includes/class-registration-form-builder.php#L174 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/vedrixa-forms-registration-builder/tags/1.1.1/public/class-registration-form-builder-public.php#L121 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/vedrixa-forms-registration-builder/tags/1.0.0/admin/class-registration-form-builder-admin.php#L866 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/vedrixa-forms-registration-builder/tags/1.0.0/includes/class-registration-form-builder.php#L174 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/vedrixa-forms-registration-builder/tags/1.0.0/public/class-registration-form-builder-public.php#L121 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3540543%40vedrixa-forms-registration-builder&new=3540543%40vedrixa-forms-registration-builder&sfp_email=&sfph_mail=

Credits

Thanh Toan Bui