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Description

The User Registration & Membership – Custom Registration Form Builder, Custom Login Form, User Profile, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to improper privilege management in all versions up to, and including, 5.1.2. This is due to the plugin accepting a user-supplied role during membership registration without properly enforcing a server-side allowlist. This makes it possible for unauthenticated attackers to create administrator accounts by supplying a role value during membership registration.

PUBLISHED Reserved 2026-01-27 | Published 2026-03-03 | Updated 2026-03-03 | Assigner Wordfence




CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-269 Improper Privilege Management

Product status

Default status
unaffected

* (semver)
affected

Timeline

2026-01-27:Vendor Notified
2026-03-02:Disclosed

Credits

Friderika Baranyai finder

References

www.wordfence.com/...-f471-4ce9-9138-1c58ad658da2?source=cve

plugins.trac.wordpress.org/...eset/3469042/user-registration

cve.org (CVE-2026-1492)

nvd.nist.gov (CVE-2026-1492)

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