Frontend Admin by DynamiApps <= 3.28.36 - Unauthenticated Privilege Escalation via Edit User Form

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Summary

CVECVE-2026-6228
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-15 09:16:16 UTC
Updated2026-05-15 09:16:16 UTC
DescriptionThe Frontend Admin by DynamiApps plugin for WordPress is vulnerable to Privilege Escalation in versions up to and including 3.28.36. This is due to insufficient authorization checks in the role field update mechanism combined with overly permissive capabilities for the admin_form post type. The admin_form custom post type uses 'capability_type' => 'page', which grants editors the ability to create and edit forms. When an editor creates an edit_user form, they can manipulate the form configuration to include 'administrator' in the role_options array by directly submitting POST data to wp-admin/post.php, bypassing the UI restrictions in feadmin_get_user_roles(). When the form is subsequently submitted, the pre_update_value() function in class-role.php only validates that the submitted role exists in the form's role_options array (lines 107-110), but fails to verify that the current user has permission to assign that specific role. This makes it possible for unauthenticated attackers to first register as editors (via a public new_user form), then create an edit_user form with administrator in the allowed roles, and finally use that form to escalate their own privileges to administrator.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-269 | CWE-269 CWE-269 Improper Privilege Management

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Shabti Frontend Admin By DynamiApps affected 3.28.36 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/changeset/3519460 [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/acf-frontend-form-element/trunk/main/admin/admin-page... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/083accd0-8338-47c6-b396-96679... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/acf-frontend-form-element/trunk/main/frontend/fields/... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/acf-frontend-form-element/trunk/main/frontend/forms/a... [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Colin Xu (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-04-13T14:28:42.000ZVendor Notified
CNA2026-05-14T19:18:22.000ZDisclosed
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