The Frontend File Manager Plugin for WordPress is vulnerable to unauthorized file sharing due to a missing capability check on the 'wpfm_send_file_in_...
Description
The Frontend File Manager Plugin for WordPress is vulnerable to unauthorized file sharing due to a missing capability check on the 'wpfm_send_file_in_email' AJAX action in all versions up to, and including, 23
AI Analyst Comment
Remediation
Update WordPress plugin/theme to the latest version. Review WordPress security settings and remove if no longer needed.
Executive Summary:
A high-severity vulnerability has been identified in the Frontend File Manager Plugin for WordPress, which could allow an unauthorized attacker to access and share sensitive files from the web server. Successful exploitation could lead to the exposure of confidential data, such as configuration files, user information, or proprietary business data. Organizations are urged to update the affected plugin immediately to prevent potential data breaches.
Vulnerability Details
CVE-ID: CVE-2026-1280
Affected Software: WordPress Frontend File Manager Plugin
Affected Versions: All versions up to, and including, 23
Vulnerability: The vulnerability exists due to a missing capability check on the
wpfm_send_file_in_emailAJAX function. This function is intended to allow authorized users to email files from the server. However, because the necessary security checks are absent, any unauthenticated user can craft a request to the server's AJAX endpoint, specify an arbitrary file path on the server, and provide an email address. The server will then execute this request and email the specified file to the attacker's chosen address, resulting in unauthorized information disclosure.Business Impact
This vulnerability is rated as High severity with a CVSS score of 7.5. Exploitation could have a significant negative impact on the business by enabling data exfiltration. An attacker could steal critical files such as
wp-config.php(containing database credentials), customer data, intellectual property, or other sensitive documents stored on the web server. The consequences of such a data breach include reputational damage, financial loss, regulatory fines for non-compliance with data protection laws (e.g., GDPR, CCPA), and the potential for attackers to use leaked credentials to escalate their privileges and achieve further system compromise.Remediation Plan
Immediate Action:
Proactive Monitoring:
/wp-admin/admin-ajax.phpwith the parameteraction=wpfm_send_file_in_email, especially from unauthenticated IP addresses.Compensating Controls:
action=wpfm_send_file_in_emailparameter.Exploitation Status
Public Exploit Available: false
Analyst Notes: As of January 29, 2026, there are no known public exploits or active exploitation campaigns targeting this vulnerability. However, due to the simplicity of exploiting missing capability checks in WordPress AJAX actions, it is highly probable that a functional proof-of-concept exploit will be developed and published in the near future.
Analyst Recommendation
Given the high severity (CVSS 7.5) and the direct risk of sensitive data exfiltration, immediate action is strongly recommended. Organizations must prioritize updating the affected Frontend File Manager plugin to the latest patched version. Although this vulnerability is not currently listed on the CISA KEV list, its ease of exploitation makes it an attractive target for attackers. If patching cannot be performed immediately, compensating controls such as deploying a WAF rule or disabling the plugin should be implemented as a matter of urgency to mitigate the risk of a data breach.