CVE-2026-1779

HIGH

8.1

Description

The User Registration & Membership plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 5.1.2. This is due to incorrect authentication in the 'register_member' function. This makes it possible for unauthenticated attackers to log in a newly registered user on the site who has the 'urm_user_just_created' user meta set.

CVE Details

CVSS v3.1 Score8.1

SeverityHIGH

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

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published2/26/2026

Last Modified2/27/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-288

References

https://plugins.trac.wordpress.org/browser/user-registration/tags/5.0.4/modules/membership/includes/AJAX.php#L246(security@wordfence.com)

https://www.wordfence.com/threat-intel/vulnerabilities/id/d99bc021-ba9e-4294-8dd2-c25bc8007d05?source=cve(security@wordfence.com)

IOC Correlations

No correlations recorded

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