{"id":"CVE-2026-3688","aliases":["EUVD-2026-42220","GHSA-2jfc-5xjv-8mv7"],"status":"published","title":"WCFM - WooCommerce Multivendor Membership \u003c= 2.11.10 - Insecure Direct Object Reference to Limited Privilege Escalation via User Role Overwrite","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.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00401,"percentile":0.34642,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-07-08T11:35:40Z","modified":"2026-07-08T16:16:28Z","products":[{"vendor":"wclovers","product":"wcfm membership – woocommerce memberships for multivendor marketplace"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8a934ccd-9330-4585-9994-838940d24980?source=cve"},{"url":"https://plugins.trac.wordpress.org/changeset/3520777/wc-multivendor-membership"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3688"},{"url":"https://github.com/advisories/GHSA-2jfc-5xjv-8mv7"}],"sources":{"cve":[{"id":"CVE-2026-3688","title":"WCFM - WooCommerce Multivendor Membership \u003c= 2.11.10 - Insecure Direct Object Reference to Limited Privilege Escalation via User Role Overwrite","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.","status":"published","published":"2026-07-08T11:35:40.708Z","modified":"2026-07-08T15:01:02.908Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T13:49:09.229322Z"}],"euvd":[{"id":"EUVD-2026-42220","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.","status":"published","published":"2026-07-08T11:35:40Z","modified":"2026-07-08T15:01:02Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:20:10.578977Z"}],"ghsa":[{"id":"GHSA-2jfc-5xjv-8mv7","title":"The WCFM Membership – WooCommerce Memberships for Multivendor Marketplace plugin for WordPress is...","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.","status":"published","published":"2026-07-08T12:30:24Z","modified":"2026-07-08T12:30:35Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:09:19.587132Z"}],"nvd":[{"id":"CVE-2026-3688","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.","status":"published","published":"2026-07-08T12:17:20.43Z","modified":"2026-07-08T16:16:28.61Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:28.040501Z"}]}}