CVE-2026-3688
WCFM - WooCommerce Multivendor Membership <= 2.11.10 - Insecure Direct Object Reference to Limited Privilege Escalation via User Role Overwrite
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-639 |
| Vendor | wclovers |
| Product | wcfm membership – woocommerce memberships for multivendor marketplace |
| Published | Jul 8, 2026 |
| Last Updated | Jul 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
wclovers / WCFM Membership – WooCommerce Memberships for Multivendor Marketplace
0 ≤ 2.11.10
References
Credits
Osvaldo Noe Gonzalez Del Rio (Os)