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CVE-2026-3688

HIGH 8.1 CVSS 3.1
Published
July 8, 2026
Last modified
July 8, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-639
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Description

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.

Affected WordPress components

  • WCFM Membership – WooCommerce Memberships for Multivendor Marketplace Plugin · wc-multivendor-membership
    Confirmed match Active
    Up to and including 2.11.10
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • wclovers WCFM Membership – WooCommerce Memberships for Multivendor Marketplace — Up to and including 2.11.10

References