Vulnerability in Paid Membership Plugin, Ecommerce, User Registration Form, Login Profile & Restrict Content

CVE-2026-10820

The Paid Membership Plugin, Ecommerce, User Registration Form, Login Form, User Profile & Restrict Content WordPress plugin before 4.16.17 does not verify that the user performing a subscription action owns the targeted subscription, allowing any authenticated user (Subscriber+) to cancel other users' active subscriptions via an Insecure Direct Object Reference.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (29.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.6% 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-2026-10820: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

  • Paid Membership Plugin, Ecommerce, User Registration Form, Login Profile & Restrict Content — versions 0

References

Frequently asked questions

What is CVE-2026-10820?
CVE-2026-10820 is a high-severity vulnerability in Paid Membership Plugin, Ecommerce, User Registration Form, Login Profile & Restrict Content, classified under CWE-639 AUTHORIZATION BYPASS THROUGH USER-CONTROLLED KEY. CVSS score: 8.1/10. Published 2026-06-27.
How severe is CVE-2026-10820?
High severity. CVSS v3 base score is 8.1 out of 10.