CVE-2026-1869

User Registration & Membership <= 5.2.0 - Missing Authorization to Unauthenticated Payment Bypass

MEDIUM
6.5
CVSS Score
Published: June 26, 2026 at 07:54 AM UTC
Updated: June 27, 2026 at 11:42 AM UTC
1 product affected across 1 vendorUser Registration & Membership

Using User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder by wpeverest?

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 5.2.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMWordfence
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-862

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