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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Wc Multivendor Membership Plugin | — | Update wc-multivendor-membership plugin to version 2.11.9, or a newer patched version | Feb 10, 2026 | Feb 9, 2026 |
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