CVE-2026-80467
Received Received - Intake

Unauthenticated Privilege Escalation in Advanced Custom Fields Extended

Publication date: 2026-09-02

Last updated on: 2026-09-02

Assigner: WPScan

Description
The Advanced Custom Fields: Extended WordPress plugin before 0.9.2.7 does not restrict the role submitted through its front-end user forms to the roles the form actually offers, and its safeguard against privileged roles is incomplete, allowing unauthenticated visitors to register an account with elevated capabilities and then escalate it to administrator.

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Meta Information

Published
2026-09-02
Last Modified
2026-09-02
Generated
2026-09-02
AI Q&A
2026-09-02
EPSS Evaluated
N/A
NVD
CVE-2026-80467
EUVD
EUVD-2026-69846

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
advanced_custom_fields extended to 0.9.2.7 (exc)
advanced_custom_fields extended_wordpress_plugin to 0.9.2.7 (exc)

Helpful Resources

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 Advanced Custom Fields: Extended WordPress plugin versions 0.9.2.2 to 0.9.2.6. It allows unauthenticated visitors to register user accounts with elevated capabilities through front-end forms. The plugin fails to properly restrict submitted roles, enabling privilege escalation to administrator level.

Detection Guidance

Check the installed version of the Advanced Custom Fields: Extended WordPress plugin. If it is between 0.9.2.2 and 0.9.2.6, the system is vulnerable. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin files directly.

Impact Analysis

Attackers can exploit this flaw to gain full administrative access to a WordPress site without authentication. This could lead to complete site takeover, data theft, malware injection, or defacement. All users running affected plugin versions are at risk of unauthorized account creation and privilege escalation.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR and HIPAA requirements for data protection and access controls. Organizations may face compliance violations, legal penalties, and reputational damage if exploited.

Mitigation Strategies

Update the Advanced Custom Fields: Extended plugin to version 0.9.2.7 or later immediately. If updating is not possible, disable the plugin temporarily until the update is applied.

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