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, 2.11.10. This is due to the 'wcfmvm_membership_change' AJAX action not validating user permission to modify other users. This makes it possible for authenticated attackers, with vendor level access and above, to change any user's role to 'wcfm_vendor' by changing their membership plan.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Wc Multivendor Membership Plugin | — | Update wc-multivendor-membership plugin to version 2.11.11, or a newer patched version | Jul 8, 2026 | Jul 7, 2026 |
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