What’s Vulnerable › Vulnerabilities

CVE-2025-11835: Paid Membership Subscriptions – Effortless Memberships, Recurring Payments & Content Restriction <= 2.16.4 - Missing Authorization to Unauthenticated Arbitrary Member Subscription Auto Renewal

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-11-05 · updated 2026-10-18
• Weakness: CWE-862

Description

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.

Affected products

• cozmoslabs Paid Membership Subscriptions – Effortless Memberships, Recurring Payments & Content Restriction: through 2.16.4

References

• https://plugins.trac.wordpress.org/changeset/3383182/paid-member-subscriptions
• https://www.wordfence.com/threat-intel/vulnerabilities/id/eb1948bd-c5b4-4fbe-9aa6-19f24325e6bb?source=cve

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