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Vulnerability record · CVE-2026-1492 · published 3 March 2026

CVE-2026-1492: Improper privilege management vulnerability

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.

9.8 CVSS 3.1 Critical EPSS 28% · top 2.0% CWE-269 · Improper privilege management Deferred
9.8CVSS 3.1 base score
28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

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

References

LinkTags
https://plugins.trac.wordpress.org/changeset/3469042/user-registration
https://www.wordfence.com/threat-intel/vulnerabilities/id/7e9fec92-f471-4ce9-9138-1c58ad658da2?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-1492), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.