What’s Vulnerable › Vulnerabilities

CVE-2026-1779: User Registration & Membership <= 5.1.2 - Authentication Bypass

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-26 · updated 2026-06-17
• Weakness: CWE-288

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.

Affected products

• wpeverest User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Cu: through 5.1.2

References

• https://plugins.trac.wordpress.org/browser/user-registration/tags/5.0.4/modules/membership/includes/AJAX.php#L246
• https://www.wordfence.com/threat-intel/vulnerabilities/id/d99bc021-ba9e-4294-8dd2-c25bc8007d05?source=cve

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