Unauthorized Data Modification in Paid Membership Subscriptions Plugin for WordPress
CVE-2025-11835

5.3MEDIUM

What is CVE-2025-11835?

The Paid Membership Subscriptions plugin for WordPress contains a vulnerability that permits unauthorized users to modify data. This issue arises from a lack of adequate capability and validation checks in the PMS_AJAX_Checkout_Handler::process_payment() function. Consequently, an attacker can exploit this flaw to initiate stored auto-renew charges for any member without authentication. All versions up to and including 2.16.4 are susceptible, leaving sites utilizing the plugin at risk of unauthorized financial transactions.

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Affected Version(s)

Paid Membership Subscriptions – Effortless Memberships, Recurring Payments & Content Restriction * <= 2.16.4

References

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Rafshanzani Suhada
.