CVE-2026-32488
User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder <= 4.4.9 - Unauthenticated Remote Code Execution
criticalIncorrect Privilege Assignment
9.8
CVSS Score
9.8
CVSS Score
critical
Severity
5.1.3
Patched in
44d
Time to patch
Description
The User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.4.9. This makes it possible for unauthenticated attackers to execute code on the server.
CVSS Vector Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HAttack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
High
Confidentiality
High
Integrity
High
Availability
Technical Details
Affected versions
<=4.4.9PublishedMarch 23, 2026
Last updatedMay 5, 2026
Affected pluginuser-registration
Source Code
WordPress.org SVNVulnerable v5.1.2
Patched v5.1.3
Check if your site is affected.
Run a free security audit to detect vulnerable plugins, outdated versions, and misconfigurations.