{
 "id": "WPSEC-2026-2277",
 "url": "https://wpsec.com/vuln/WPSEC-2026-2277/",
 "json_url": "https://wpsec.com/vuln/WPSEC-2026-2277/advisory.json",
 "markdown_url": "https://wpsec.com/vuln/WPSEC-2026-2277/index.md",
 "title": "WCFM Membership – WooCommerce Memberships for Multivendor Marketplace <= 2.12.0 - Authenticated (Subscriber+) Membership Payment Bypass via WooCommerce Checkout Order",
 "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.",
 "plugin": {
  "slug": "wc-multivendor-membership",
  "name": "WCFM Membership – WooCommerce Memberships for Multivendor Marketplace",
  "full_name": "WCFM Membership – WooCommerce Memberships for Multivendor Marketplace",
  "wordpress_org": "https://wordpress.org/plugins/wc-multivendor-membership/",
  "advisories_url": "https://wpsec.com/vuln/plugin/wc-multivendor-membership/",
  "attacksurface": "https://attacksurface.wpsec.com/plugin/wc-multivendor-membership"
 },
 "type": "BYPASS",
 "cwe": [
  "CWE-639"
 ],
 "cve": [],
 "cvss": {
  "version": "3.1",
  "score": 4.3,
  "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
  "severity": "Medium"
 },
 "affected": {
  "ranges": [
   {
    "from": null,
    "from_inclusive": true,
    "to": "2.12.1",
    "to_inclusive": false
   }
  ],
  "text": [
   "all versions before 2.12.1"
  ]
 },
 "introduced_in": null,
 "fixed_in": "2.12.1",
 "remediation": "Update to 2.12.1 or later.",
 "fix_released": "2026-11-02T09:04:30+00:00",
 "published": "2026-11-03T14:48:33+00:00",
 "updated": "2026-11-03T13:22:46.928238+00:00",
 "also_published_as": null,
 "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/"
 ],
 "attacksurface_url": "https://attacksurface.wpsec.com/plugin/wc-multivendor-membership",
 "source": "WPSec",
 "license": {
  "name": "CC BY 4.0",
  "url": "https://creativecommons.org/licenses/by/4.0/"
 },
 "usage": {
  "plugin": "Low",
  "affected_versions": "None seen",
  "as_of": "2026-11-03"
 }
}