Vulnerabilities / WCFM Membership – WooCommerce Memberships for Multivendor Marketplace / WPSEC-2026-2277
WCFM Membership – WooCommerce Memberships for Multivendor Marketplace <= 2.12.0 - Authenticated (Subscriber+) Membership Payment Bypass via WooCommerce Checkout Order
Medium 4.3
CWE-639Fixed in 2.12.1
- ID
- WPSEC-2026-2277
- Plugin
- WCFM Membership – WooCommerce Memberships for Multivendor Marketplace (wc-multivendor-membership)
- Affected
- all versions before 2.12.1
- Remediation
- Update to 2.12.1 or later.
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Weakness
- CWE-639
- Usage
- Plugin Low · Affected versions None seen among sites WPSec scans, 2026-11-03
- Attack surface
- WCFM Membership – WooCommerce Memberships for Multivendor Marketplace on WPSec AttackSurface
- Fix released
- Published
Description
The WCFM Membership – WooCommerce Memberships for Multivendor Marketplace plugin for WordPress is vulnerable to payment bypass via WooCommerce checkout membership orders in all versions up to, and including, 2.12.0, due to the plugin picking the plan to activate on order completion from the buyer's own temp_wcfm_membership user meta instead of the membership product that was purchased. This makes it possible for authenticated attackers with subscriber-level access, such as a membership applicant, to pay for an inexpensive membership product and have a different, more expensive plan activated.
References
- https://wpsec.com/vuln/WPSEC-2026-2277/
- https://plugins.svn.wordpress.org/wc-multivendor-membership/tags/2.12.1/
- https://wordpress.org/plugins/wc-multivendor-membership/
Published by WPSec. Provided as is, without warranty. Corrections: contact us.
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