WCFM Membership – WooCommerce Memberships for Multivendor Marketplace <= 2.11.8 - Insecure Direct Object Reference to Update Membership Payment

2026-02-09 11:17
Jing Xuan Sun

Vulnerability Overview

The WCFM Membership – WooCommerce Memberships for Multivendor Marketplace plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.11.8 via the 'WCFMvm_Memberships_Payment_Controller::processing' due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify other users' membership payments.

Technical Analysis

REMEDIATION: Update to version 2.11.9, or a newer patched version --- IDENTIFIER: CWE-639 (Authorization Bypass Through User-Controlled Key) The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

External References

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