PT-2026-22174 · WordPress · User Frontend: Ai Powered Frontend Posting

Williwollo · Published 2026-02-26 · Updated 2026-03-03 · CVE-2026-1565

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration versions prior to 4.2.9

Description The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration plugin for WordPress has a flaw related to improper file type validation. This allows authenticated users with Author-level access or higher to upload arbitrary files to the server. The issue resides in the WPUF Admin Settings::check filetype and ext function and the Admin Tools::check filetype and ext function. Successful exploitation may lead to remote code execution.

Recommendations Update the User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration plugin to version 4.2.9 or later.

Fix

RCE

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2026-1565

Affected Products

User Frontend: Ai Powered Frontend Posting

References · 14

• https://nvd.nist.gov/vuln/detail/CVE-2026-1565 · Security Note
• https://t.me/CVEtracker/45880 · Telegram Post
• https://plugins.trac.wordpress.org/browser/wp-user-frontend/trunk/includes/Admin/Admin_Tools.php?rev=3448772#L444 · Note
• https://twitter.com/CveTodo/status/2027123584682881457 · Twitter Post
• https://twitter.com/CVEnew/status/2027466665391493133 · Twitter Post
• https://twitter.com/cracbot/status/2028787675327836431 · Twitter Post
• https://twitter.com/infoflowcloud/status/2027467913121218777 · Twitter Post
• https://plugins.trac.wordpress.org/browser/wp-user-frontend/trunk/admin/class-admin-settings.php?rev=3448772#L600 · Note
• https://twitter.com/CveFindCom/status/2027121839881826420 · Twitter Post
• https://twitter.com/TheHackerWire/status/2027126450961449291 · Twitter Post
• https://plugins.trac.wordpress.org/browser/wp-user-frontend/trunk/admin/class-admin-settings.php?rev=3448772#L571 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/2c358cbe-7600-43a1-94a3-1530cdb5a9f3?source=cve · Note
• https://plugins.trac.wordpress.org/changeset/3468395/wp-user-frontend/trunk/includes/Admin/Admin_Tools.php · Note
• https://plugins.trac.wordpress.org/browser/wp-user-frontend/trunk/includes/Admin/Admin_Tools.php?rev=3448772#L537 · Note