What the vulnerability does
01Description
The Frontend Admin by DynamiApps plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'acff' parameter in the 'frontend_admin/forms/update_field' AJAX action in all versions up to, and including, 3.28.23 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Explanation of Vulnerability in Simple Terms
02Summary
Frontend Admin by DynamiApps versions 3.28.23 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the application. No authentication is required to exploit this flaw. The vulnerability affects the application's scope, potentially impacting other users or components. Site administrators should update to a patched version immediately.
What an attacker can do
03Attacker Capabilities
Inject malicious JavaScript that executes in users' browsers and affects other parts of the application.
Potential impact on your site
04Site Impact
Users visiting the affected application may have malicious scripts executed in their browsers, compromising their sessions or data.
Conditions required to exploit
05Prerequisites
Network access to the application; no authentication or user interaction required.
Key dates
06Disclosure timeline
January 9, 2026
CVE published
April 8, 2026
Record updated