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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (11.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
Weakness classification (CWE)
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.