CVE-2026-1280

High

Published: 28 January 2026

Published

28 January 2026

Modified

15 April 2026

KEV Added

—

Patch

—

CVSS Score 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Score 0.0008 23.3th percentile

Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-1280 is a high-severity Missing Authorization (CWE-862) vulnerability in Wordpress (inferred from references). Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 23.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190) and 2 other techniques.

Threat & Defense Details

Likely Mitigating ControlsAI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AC-1 Policy and Procedures

addresses: CWE-862

Requiring an access control policy ensures authorization checks are defined and applied for critical functions.

AC-13 Supervision and Review — Access Control

addresses: CWE-862

Reviews of access controls detect missing authorization checks on critical functions or resources.

AC-14 Permitted Actions Without Identification or Authentication

addresses: CWE-862

Documenting permitted unauthenticated actions prevents missing authorization by making all exceptions explicit and subject to organizational review.

AC-16 Security and Privacy Attributes

addresses: CWE-862

Requiring attribute association with information prevents authorization from being performed without necessary security or privacy context.

AC-17 Remote Access

addresses: CWE-862

Mandating authorization prior to allowing remote connections addresses missing authorization for remote access.

AC-18 Wireless Access

addresses: CWE-862

Mandating authorization before wireless connections are allowed prevents missing authorization for wireless access.

AC-19 Access Control for Mobile Devices

addresses: CWE-862

The control requires authorization before allowing mobile device connections, directly mitigating missing authorization for system access.

AC-2 Account Management

addresses: CWE-862

Requiring approvals for account creation and specifying authorizations ensures authorization is not missing for system access.

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1005 Data from Local System Collection

Adversaries may search local system sources, such as file systems, configuration files, local databases, virtual machine files, or process memory, to find files of interest and sensitive data prior to Exfiltration.

attack.mitre.org →

T1083 File and Directory Discovery Discovery

Adversaries may enumerate files and directories or may search in specific locations of a host or network share for certain information within a file system.

attack.mitre.org →

Why these techniques?

Missing auth on public WP plugin AJAX action directly enables remote exploitation of web app (T1190) for unauthorized file access/enumeration (T1083) and data exfil from local system (T1005).

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD 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, 23.5. This makes it possible for unauthenticated attackers to…

share arbitrary uploaded files via email by supplying a file ID. Since file IDs are sequential integers, attackers can enumerate all uploaded files on the site and exfiltrate sensitive data that was intended to be restricted to administrators only.

Deeper analysisAI

CVE-2026-1280, published on 2026-01-28, affects the Frontend File Manager Plugin for WordPress, specifically versions up to and including 23.5. The vulnerability stems from a missing capability check on the 'wpfm_send_file_in_email' AJAX action, enabling unauthorized file sharing. Rated at CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) and mapped to CWE-862 (Missing Authorization), it allows attackers to share arbitrary uploaded files via email by providing a file ID.

Unauthenticated attackers can exploit this remotely with low complexity and no privileges required. By supplying sequential integer file IDs, they can enumerate and share all uploaded files on the site, exfiltrating sensitive data intended only for administrators.

References point to the vulnerable code in callback-functions.php at line 98 in both the 23.5 tag and trunk versions of the nmedia-user-file-uploader plugin, as well as a Wordfence threat intelligence page detailing the issue. No specific patch or mitigation details are provided in the available information.