User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder <= 5.2.6 - Missing Authorization

5.3
Missing Authorization
CVE CVE-2026-73403
CVSS 5.3 (Medium)
Publicly Published August 13, 2026
Last Updated August 13, 2026
Researcher Ziming Zhang

Description

The User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 5.2.6. This makes it possible for unauthenticated attackers to perform an unauthorized action.

References

Share

Vulnerability Details for User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder

Software Type Plugin
Software Slug user-registration (view on wordpress.org)
Patched? Yes
Remediation Update to version 5.2.7, or a newer patched version
Affected Version
  • <= 5.2.6
Patched Version
  • 5.2.7

Recent vulnerabilities in User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder

# Title CVE ID CVSS Researchers Date
1 User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder <= 5.2.8 - Missing Authorization CVE-2026-106597 5.3 Charles Vosburgh October 13, 2026
2 User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder <= 5.2.8 - Cross-Site Request Forgery CVE-2026-103076 4.3 b1ue0cean October 13, 2026
3 User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder <= 5.2.8 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2026-105881 6.4 Deva Parekh October 13, 2026
4 User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder <= 5.2.8 - Unauthenticated Information Exposure CVE-2026-106598 5.3 sumayfe October 13, 2026
5 User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder <= 5.2.8 - Missing Authorization CVE-2026-109699 5.3 nov1337 October 13, 2026
6 User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder <= 5.2.7 - Missing Authorization CVE-2026-96334 5.3 Ananda Dhakal October 4, 2026
7 User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder <= 5.2.7 - Missing Authorization CVE-2026-74017 5.3 asdqgggg September 16, 2026
8 User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder < 5.2.8 - Authenticated (Author+) Privilege Escalation CVE-2026-80071 6.3 Jonathan Dersch September 14, 2026
9 User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder 4.4.6 - 5.2.7 - Authenticated (Subscriber+) Privilege Escalation CVE-2026-86406 6.3 Karthik Ramakrishnan September 14, 2026
10 User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder 5.0 - 5.2.7 - Unauthenticated Information Exposure CVE-2026-86407 5.3 Karthik Ramakrishnan September 13, 2026

Did you know Wordfence Intelligence provides free personal and commercial API access to our comprehensive WordPress vulnerability database, along with a free webhook integration to stay on top of the latest vulnerabilities added and updated in the database? Get started today!

Learn more

Want to get notified of the latest vulnerabilities that may affect your WordPress site?
Install Wordfence on your site today to get notified immediately if your site is affected by a vulnerability that has been added to our database.

Get Wordfence

The Wordfence Intelligence WordPress vulnerability database is completely free to access and query via API. Please review the documentation on how to access and consume the vulnerability data via API.

Documentation