What’s Vulnerable › Vulnerabilities

CVE-2026-1869: User Registration & Membership <= 5.2.0 - Missing Authorization to Unauthenticated Payment Bypass

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-26 · updated 2026-06-26
• Weakness: CWE-862

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 products

• wpeverest User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Cu: through 5.2.0

References

• https://plugins.trac.wordpress.org/changeset/3552000/user-registration
• https://www.wordfence.com/threat-intel/vulnerabilities/id/9bf5b60b-5a4f-4227-97ac-a952019f46d9?source=cve

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