CVE-2026-1869
User Registration & Membership <= 5.2.0 - Missing Authorization to Unauthenticated Payment Bypass
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
The User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder plugin for WordPress is vulnerable to unauthorized modification of data due to missing validation checks in the confirm_payment() function in all versions up to, and including, 5.2.0. This makes it possible for unauthenticated attackers to bypass payment processing and activate paid memberships.
| CWE | CWE-862 |
| Vendor | wpeverest |
| Product | user registration & membership – free & paid memberships, subscriptions, content restriction, user profile, custom user registration & login builder |
| Published | Jun 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
wpeverest / User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder
0 ≤ 5.2.0
References
Credits
Supakiad S. (m3ez)