CVE-2026-81343
Received Received - Intake

ACF Frontend Admin Option Overwrite via Unauthenticated Form Submission

Publication date: 2026-10-17

Last updated on: 2026-10-17

Assigner: WPScan

Description
The ACF Frontend Admin by DynamiApps WordPress plugin through 3.29.13 does not perform a capability check on one of its form-submission actions before writing submitted values into the site's global ACF options store, allowing unauthenticated visitors to overwrite site-wide option values via a public form.

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Meta Information

Published
2026-10-17
Last Modified
2026-10-17
Generated
2026-10-17
AI Q&A
2026-10-17
EPSS Evaluated
N/A
NVD
CVE-2026-81343
EUVD
EUVD-2026-103258

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Unknown ACF Frontend Admin by DynamiApps 0

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability affects the ACF Frontend Admin WordPress plugin versions below 3.30.0. It allows unauthenticated users to update Advanced Custom Fields options via a form submission because the plugin fails to check user permissions before writing values to the site's global ACF options store.

Detection Guidance

Check the installed version of the ACF Frontend Admin plugin. If it is below 3.30.0, the vulnerability is likely present. Use WordPress admin panel or run a command like 'wp plugin list' in the WordPress directory to verify the version.

Impact Analysis

Attackers could overwrite site-wide option values through a public form, potentially altering site settings, disabling features, or injecting malicious content. This could lead to site defacement, data breaches, or unauthorized access.

Compliance Impact

This vulnerability could lead to unauthorized changes to site configurations, potentially exposing sensitive data or violating compliance requirements. GDPR and HIPAA require protecting personal and health data, and such unauthorized modifications could result in non-compliance.

Mitigation Strategies

Update the ACF Frontend Admin plugin to version 3.30.0 or higher immediately. If updating is not possible, consider disabling the plugin until an update is applied to prevent unauthorized modifications to site-wide options.

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