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User Frontend: known security problems

39 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.

Updated

In short

There are 39 known security problems on this page. Each one has a fixed version. Updating to version 4.3.14 or newer covers every fixed problem listed here.

Based on public reports. Check the plugin’s changelog. Watchfox AI may be wrong.

Get an email when your site is affected: install Watchfox AI (free)

This week

Someone could plant harmful code that runs for your visitors or admins

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.13
Fixed in
4.3.14
What to do
If your site has an affected version, update User Frontend to version 4.3.14 or newer.
Official ID
CVE-2026-103962
Report title
User Frontend <= 4.3.13 - Reflected Cross-Site Scripting via 'field_attr[required]' Parameter
First reported
Sources
This week

Anyone with an account on your site, even a basic one could take over your site as an admin

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.13
Fixed in
4.3.14
What to do
If your site has an affected version, update User Frontend to version 4.3.14 or newer.
Official ID
CVE-2026-120070
Report title
User Frontend <= 4.3.13 - Authenticated (Subscriber+) Privilege Escalation via post_content Parameter
First reported
Sources
This week

Anyone with an account on your site, even a basic one could plant harmful code that runs for your visitors or admins

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.12
Fixed in
4.3.13
What to do
If your site has an affected version, update User Frontend to version 4.3.13 or newer.
Official ID
CVE-2026-96574
Report title
User Frontend <= 4.3.12 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'wpuf_payment_method' Parameter
First reported
Sources
This week

Anyone with an account on your site, even a basic one could use it to harm your site (up to and including 4.3.11)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.11
Fixed in
4.3.12
What to do
If your site has an affected version, update User Frontend to version 4.3.12 or newer.
Official ID
CVE-2026-79618
Report title
User Frontend <= 4.3.11 - Authenticated (Subscriber+) Subscription-Gated Post Creation
First reported
Sources
This week

A stranger could take over your site as an admin

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • From 3.5.29 up to and including 4.3.11
Fixed in
4.3.12
What to do
If your site has an affected version, update User Frontend to version 4.3.12 or newer.
Official ID
CVE-2026-75823
Report title
User Frontend 3.5.29 - 4.3.11 - Unauthenticated Privilege Escalation
First reported
Sources
This week

Someone could do things on your site they should not be allowed to (from 2.5.8 up to and including 4.3.11)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • From 2.5.8 up to and including 4.3.11
Fixed in
4.3.12
What to do
If your site has an affected version, update User Frontend to version 4.3.12 or newer.
Official ID
CVE-2026-75824
Report title
User Frontend 2.5.8 - 4.3.11 - Missing Authorization
First reported
Sources
This week

Anyone with an account on your site, even a basic one could use it to harm your site (up to and including 4.3.11) (2)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.11
Fixed in
4.3.12
What to do
If your site has an affected version, update User Frontend to version 4.3.12 or newer.
Official ID
CVE-2026-95523
Report title
User Frontend – Membership, User Registration, User Profile, User Directory & Content Restriction with Frontend Post Submission <= 4.3.11 - Authenticated (Subscriber+) Subscription Gate Bypass on Post Submission
First reported
Sources
This week

A stranger could use it to harm your site (up to and including 4.3.11)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.11
Fixed in
4.3.12
What to do
If your site has an affected version, update User Frontend to version 4.3.12 or newer.
Official ID
CVE-2026-95524
Report title
User Frontend – Membership, User Registration, User Profile, User Directory & Content Restriction with Frontend Post Submission <= 4.3.11 - Unauthenticated Unauthorized User Registration
First reported
Sources
This week

Anyone with an account on your site, even a basic one could read or delete private files on your server

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.11
Fixed in
4.3.12
What to do
If your site has an affected version, update User Frontend to version 4.3.12 or newer.
Official ID
CVE-2026-95525
Report title
User Frontend – Membership, User Registration, User Profile, User Directory & Content Restriction with Frontend Post Submission <= 4.3.11 - Authenticated (Subscriber+) Arbitrary File Deletion
First reported
Sources
This week

Anyone with an account on your site, even a basic one could in some setups, take over your site (up to and including 4.3.10)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.10
Fixed in
4.3.11
What to do
If your site has an affected version, update User Frontend to version 4.3.11 or newer.
Official ID
CVE-2026-81283
Report title
User Frontend – Membership, User Registration, User Profile, User Directory & Content Restriction with Frontend Post Submission <= 4.3.10 - Authenticated (Subscriber+) PHP Object Injection
First reported
Sources
This week

Anyone with an account on your site, even a basic one could in some setups, take over your site (up to and including 4.3.10) (2)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.10
Fixed in
4.3.11
What to do
If your site has an affected version, update User Frontend to version 4.3.11 or newer.
Official ID
CVE-2026-19116
Report title
User Frontend <= 4.3.10 - Authenticated (Subscriber+) PHP Object Injection
First reported
Sources
This week

A stranger could do things on your site they should not be allowed to (up to and including 4.3.10)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.10
Fixed in
4.3.11
What to do
If your site has an affected version, update User Frontend to version 4.3.11 or newer.
Official ID
CVE-2026-17563
Report title
User Frontend <= 4.3.10 - Missing Authorization to Unauthenticated Post Creation
First reported
Sources
This week

A stranger could use it to harm your site (before 4.3.10)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Before 4.3.10
Fixed in
4.3.10
What to do
If your site has an affected version, update User Frontend to version 4.3.10 or newer.
Official ID
CVE-2026-14567
Report title
User Frontend – Membership, User Registration, User Profile, User Directory & Content Restriction with Frontend Post Submission < 4.3.10 - Unauthenticated Information Exposure
First reported
Sources
This week

Someone with an editor account on your site could in some setups, take over your site

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Before 4.3.10
Fixed in
4.3.10
What to do
If your site has an affected version, update User Frontend to version 4.3.10 or newer.
Official ID
CVE-2026-14558
Report title
User Frontend – Membership, User Registration, User Profile, User Directory & Content Restriction with Frontend Post Submission < 4.3.10 - Authenticated (Editor+) PHP Object Injection
First reported
Sources
This week

A stranger could use it to harm your site (up to and including 4.3.7)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.7
Fixed in
4.3.8
What to do
If your site has an affected version, update User Frontend to version 4.3.8 or newer.
Official ID
CVE-2026-12418
Report title
User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration <= 4.3.7 - Insecure Direct Object Reference to Unauthenticated Arbitrary Post Modification via 'wpuf_files_data' Parameter
First reported
Sources
This week

A stranger could do things on your site they should not be allowed to (up to and including 4.3.7)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.7
Fixed in
4.3.8
What to do
If your site has an affected version, update User Frontend to version 4.3.8 or newer.
Official ID
CVE-2026-12406
Report title
User Frontend <= 4.3.7 - Missing Authorization to Unauthenticated Arbitrary Attachment Deletion via 'attach_id' Parameter
First reported
Sources
This week

A stranger could use it to harm your site (up to and including 4.3.1)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.1
Fixed in
4.3.2
What to do
If your site has an affected version, update User Frontend to version 4.3.2 or newer.
Official ID
CVE-2026-5459
Report title
User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration <= 4.3.1 - Unauthenticated Insecure Direct Object Reference to Arbitrary User Subscription Overwrite
First reported
Sources
This week

A stranger could do things on your site they should not be allowed to (before 4.3.8)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Before 4.3.8
Fixed in
4.3.8
What to do
If your site has an affected version, update User Frontend to version 4.3.8 or newer.
Official ID
CVE-2026-14568
Report title
User Frontend: AI Powered Frontend Post Submission, User Directory, User Profile, Membership & User Registration < 4.3.8 - Missing Authorization to Unauthenticated Media Attachment Deletion
First reported
Sources
This week

Someone could do things on your site they should not be allowed to (up to and including 4.3.7)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.7
Fixed in
4.3.8
What to do
If your site has an affected version, update User Frontend to version 4.3.8 or newer.
Official ID
CVE-2026-57334
Report title
User Frontend: AI Powered Frontend Posting, User Directory, Profile Builder, Membership & User Registration <= 4.3.7 - Missing Authorization
First reported
Sources
This week

Anyone with an account on your site, even a basic one could do things on your site they should not be allowed to

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.2
Fixed in
4.3.3
What to do
If your site has an affected version, update User Frontend to version 4.3.3 or newer.
Official ID
CVE-2026-4058
Report title
User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration <= 4.3.2 - Missing Authorization to Authenticated (Subscriber+) Subscription Pack Cancellation
First reported
Sources
This week

Anyone with an account on your site, even a basic one could in some setups, take over your site (up to and including 4.3.1)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.1
Fixed in
4.3.2
What to do
If your site has an affected version, update User Frontend to version 4.3.2 or newer.
Official ID
CVE-2026-5127
Report title
User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration <= 4.3.1 - Authenticated (Subscriber+) PHP Object Injection
First reported
Sources
This week

Someone could do things on your site they should not be allowed to (up to and including 4.3.1)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.3.1
Fixed in
4.3.2
What to do
If your site has an affected version, update User Frontend to version 4.3.2 or newer.
Official ID
CVE-2026-42412
Report title
User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration <= 4.3.1 - Missing Authorization
First reported
Sources
This week

Someone could do things on your site they should not be allowed to (up to and including 4.2.8)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.2.8
Fixed in
4.2.9
What to do
If your site has an affected version, update User Frontend to version 4.2.9 or newer.
Official ID
CVE-2026-32485
Report title
User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration <= 4.2.8 - Missing Authorization
First reported
Sources
This week

A stranger could do things on your site they should not be allowed to (up to and including 4.2.8)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.2.8
Fixed in
4.2.9
What to do
If your site has an affected version, update User Frontend to version 4.2.9 or newer.
Official ID
CVE-2026-2233
Report title
User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration <= 4.2.8 - Missing Authorization to Unauthenticated Arbitrary Post Modification via 'post_id' Parameter
First reported
Sources
This week

Someone could do things on your site they should not be allowed to (up to and including 4.2.5)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.2.5
Fixed in
4.2.6
What to do
If your site has an affected version, update User Frontend to version 4.2.6 or newer.
Official ID
CVE-2026-24364
Report title
User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration <= 4.2.5 - Missing Authorization
First reported
Sources
This week

Someone with an author account on your site could run their own code on your site and take it over

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.2.8
Fixed in
4.2.9
What to do
If your site has an affected version, update User Frontend to version 4.2.9 or newer.
Official ID
CVE-2026-1565
Report title
User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration <= 4.2.8 - Authenticated (Author+) Arbitrary File Upload
First reported
Sources
This week

A stranger could do things on your site they should not be allowed to (up to and including 4.2.4)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.2.4
Fixed in
4.2.5
What to do
If your site has an affected version, update User Frontend to version 4.2.5 or newer.
Official ID
CVE-2025-14047
Report title
WP User Frontend <= 4.2.4 - Missing Authorization to Unauthenticated Arbitrary Attachment Deletion
First reported
Sources
This week

Anyone with an account on your site, even a basic one could use it to harm your site (up to and including 4.1.12)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.1.12
Fixed in
4.1.13
What to do
If your site has an affected version, update User Frontend to version 4.1.13 or newer.
Official ID
CVE-2025-58673
Report title
WP User Frontend <= 4.1.12 - Authenticated (Subscriber+) Arbitrary Shortcode Execution
First reported
Sources
This week

Someone could do things on your site they should not be allowed to (up to and including 4.1.12)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.1.12
Fixed in
4.1.13
What to do
If your site has an affected version, update User Frontend to version 4.1.13 or newer.
Official ID
CVE-2025-58672
Report title
WP User Frontend <= 4.1.12 - Missing Authorization
First reported
Sources
This week

Someone who already has an admin account could read or change the data in your site’s database

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.0.7
Fixed in
4.0.8
What to do
If your site has an affected version, update User Frontend to version 4.0.8 or newer.
Official ID
CVE-2024-38693
Report title
WP User Frontend <= 4.0.7 - Authenticated (Administrator+) SQL Injection
First reported
Sources
This week

Someone could use it to harm your site

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 4.0.7
Fixed in
4.0.8
What to do
If your site has an affected version, update User Frontend to version 4.0.8 or newer.
Report title
Various Plugins <= Various Version - Use of Polyfill.io
First reported
Sources
This week

Someone with an author account on your site could take over your site as an admin

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 3.6.5
Fixed in
3.6.6
What to do
If your site has an affected version, update User Frontend to version 3.6.6 or newer.
Official ID
CVE-2023-47682
Report title
WP User Frontend <= 3.6.5 - Authenticated (Author+) Privilege Escalation
First reported
Sources
This week

Someone could do things on your site they should not be allowed to (up to and including 3.6.8)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 3.6.8
Fixed in
3.6.9
What to do
If your site has an affected version, update User Frontend to version 3.6.9 or newer.
Official ID
CVE-2023-45002
Report title
WP User Frontend <= 3.6.8 - Missing Authorization via AJAX actions
First reported
Sources
This week

Someone could do things on your site they should not be allowed to (up to and including 3.6.0)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 3.6.0
Fixed in
3.6.1
What to do
If your site has an affected version, update User Frontend to version 3.6.1 or newer.
Report title
Appsero <= 1.2.1 - Missing Authorization
First reported
Sources
This week

Someone could trick a logged-in admin into changing settings without knowing

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 3.6.0
Fixed in
3.6.1
What to do
If your site has an affected version, update User Frontend to version 3.6.1 or newer.
Official ID
CVE-2022-47150
Report title
Appsero <= 1.2.0 - Cross-Site Request Forgery
First reported
Sources
This week

Someone could take over your site as an admin

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 3.5.28
Fixed in
3.5.29
What to do
If your site has an affected version, update User Frontend to version 3.5.29 or newer.
Official ID
CVE-2021-24649
Report title
WP User Frontend <= 3.5.28 - Privilege Escalation
First reported
Sources
This week

Someone could read or change the data in your site’s database (up to and including 3.5.25)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Up to and including 3.5.25
Fixed in
3.5.26
What to do
If your site has an affected version, update User Frontend to version 3.5.26 or newer.
Official ID
CVE-2021-25076
Report title
WP User Frontend <= 3.5.25 - SQL Injection & Reflected Cross-Site Scripting
First reported
Sources
This week

Someone could read or change the data in your site’s database (before 3.5.25)

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Before 3.5.25
Fixed in
3.5.25
What to do
If your site has an affected version, update User Frontend to version 3.5.25 or newer.
Report title
WP User Frontend – Membership, Profile, Registration & Post Submission Plugin for WordPress < 3.5.25 - Authenticated (Admin+) SQL Injection
First reported
Sources
This week

Someone could run their own code on your site and take it over

A trusted security source confirmed it. If your site has an affected version, fix it this week.

Affected versions
  • Before 2.3.11
Fixed in
2.3.11
What to do
If your site has an affected version, update User Frontend to version 2.3.11 or newer.
Report title
WP User Frontend < 2.3.11 - Arbitrary File Upload
First reported
Sources

Where this comes from

We collect these reports from public security sources and rewrite them in plain words. Each problem shows its sources and the date we first saw it. This page never says whether your own site is affected: only a check of your site’s versions can tell.

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