How severe is CVE-2025-11835?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Cozmoslabs Paid Membership Subscriptions – Effortless Memberships, Recurring Payments & Content Restriction

CVE-2025-11835

The Paid Membership Subscriptions – Effortless Memberships, Recurring Payments & Content Restriction plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability and validation check on the PMS_AJAX_Checkout_Handler::process_payment() function in all versions up to, and including, 2.16.4. This makes it possible for unauthenticated attackers to trigger stored auto-renew charges for arbitrary members.

Vulnerability class: Broken Access Control

EPSS: 0.002 (11.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Cozmoslabs Paid Membership Subscriptions – Effortless Memberships, Recurring Payments & Content Restriction — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2025-11835?: CVE-2025-11835 is a medium-severity vulnerability in Cozmoslabs Paid Membership Subscriptions – Effortless Memberships, Recurring Payments & Content Restriction, classified under Missing Authorization. CVSS score: 5.3/10. Published 2025-11-05.
How severe is CVE-2025-11835?: Medium severity. CVSS v3 base score is 5.3 out of 10.