Vulnerability in User Registration & Membership

CVE-2026-11965

The User Registration & Membership WordPress plugin before 5.2.0 does not enforce payment completion before activating a paid membership subscription, allowing unauthenticated users (after self-registering an account through the open registration flow) to obtain an active subscription on any paid plan without paying and access the gated content.

EPSS: 0.002 (6.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

  • Unknown User Registration & Membership — versions 0

References

Frequently asked questions

What is CVE-2026-11965?
CVE-2026-11965 is a medium-severity vulnerability in User Registration & Membership, classified under CWE-287 IMPROPER AUTHENTICATION. CVSS score: 6.5/10. Published 2026-07-02.
How severe is CVE-2026-11965?
Medium severity. CVSS v3 base score is 6.5 out of 10.