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.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.003 (18.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-11965: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • 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.