The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration plugin for WordPress is vulnerable to arbitrary file uploads due to incorrect file type validation in the 'WPUF_Admin_Settings::check_filetype_and_ext' function and in the 'Admin_Tools::check_filetype_and_ext' function in all versions up to, and including, 4.2.8. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.
CVE-2026-1565 is a high severity with CVSS 8.8 Remote Code Execution issue affecting the Plugin User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration. It affects Versions up to 4.2.8 and is fixed in 4.2.9.
Use the related hub and response guides to connect this CVE-2026-1565 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2026-1565 is tracked for the Plugin User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration as high severity with CVSS 8.8. The affected range is Versions up to 4.2.8. Update User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration to 4.2.9 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions up to 4.2.8.
Confirm User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration is updated to 4.2.9 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
wp-user-frontend
View on wordpress.org
|
| CVE | CVE-2026-1565 |
| Patched Versions |
4.2.9
|
| Affected Versions |
Versions up to 4.2.8
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
WP User Frontend <= 4.0.7 - Authenticated (Administrator+) SQL Injection
User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration <= 4.3.1 - Authenticated (Subscriber+) PHP Object Injection
WP User Frontend <= 3.6.5 - Authenticated (Author+) Privilege Escalation
WP User Frontend <= 3.5.25 - SQL Injection & Reflected Cross-Site Scripting
WP User Frontend <= 3.5.28 - Privilege Escalation
WP User Frontend <= 4.1.12 - Missing Authorization
WP User Frontend <= 4.1.12 - Authenticated (Subscriber+) Arbitrary Shortcode Execution
User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration <= 4.3.1 - Missing Authorization
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