Frontend Admin by DynamiApps <= 3.29.2 - Unauthenticated Privilege Escalation via Form Configuration Injection

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Summary

CVECVE-2026-6226
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-28 09:16:47 UTC
Updated2026-05-28 13:45:25 UTC
DescriptionThe Frontend Admin by DynamiApps plugin for WordPress is vulnerable to unauthenticated privilege escalation in versions up to and including 3.29.2. This is due to insecure form submission handling that accepts arbitrary form definitions from user input instead of securely loading them from the backend. When $_POST['_acf_form'] is an array (rather than a form ID), the validate_form() function bypasses database lookup and directly processes the attacker-controlled structure. The create_record() function preserves attacker-supplied record data if present, and the user action's run() function falls back to attacker-controlled field definitions from $form['fields'] when legitimate fields cannot be found. The role field's pre_update_value() validation reads $field['role_options'] from this attacker-controlled definition, allowing an attacker to specify ['administrator'] as an allowed role and bypass the security check. This makes it possible for unauthenticated attackers to create administrator accounts by injecting a custom form configuration with a spoofed role field.

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

EPSS: 0.001250000 probability, percentile 0.313540000 (date 2026-06-01)

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 3.29.2 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/acf-frontend-form-element/trunk/main/frontend/forms/c... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/acf-frontend-form-element/tags/3.28.33/main/frontend/... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/acf-frontend-form-element/trunk/main/frontend/fields/... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/acf-frontend-form-element/tags/3.28.33/main/frontend/... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/123e1758-3384-4ea7-96dd-d6adc... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/acf-frontend-form-element/tags/3.28.33/main/frontend/... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/acf-frontend-form-element/tags/3.28.33/main/frontend/... [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
plugins.trac.wordpress.org/browser/acf-frontend-form-element/trunk/main/frontend/forms/c... [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: daroo (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-04-13T14:22:50.000ZVendor Notified
CNA2026-05-27T00:00:00.000ZDisclosed
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