{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-3688","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","state":"PUBLISHED","assignerShortName":"Wordfence","dateReserved":"2026-03-06T23:43:39.850Z","datePublished":"2026-07-08T11:35:40.708Z","dateUpdated":"2026-07-08T15:01:02.908Z"},"containers":{"cna":{"providerMetadata":{"orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","shortName":"Wordfence","dateUpdated":"2026-07-08T11:35:40.708Z"},"affected":[{"vendor":"wclovers","product":"WCFM Membership – WooCommerce Memberships for Multivendor Marketplace","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.11.10","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"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."}],"title":"WCFM - WooCommerce Multivendor Membership <= 2.11.10 - Insecure Direct Object Reference to Limited Privilege Escalation via User Role Overwrite","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"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-639 Authorization Bypass Through User-Controlled Key","cweId":"CWE-639","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","baseScore":8.1,"baseSeverity":"HIGH"}}],"credits":[{"lang":"en","type":"finder","value":"Osvaldo Noe Gonzalez Del Rio (Os)"}],"timeline":[{"time":"2026-01-10T00:00:00.000Z","lang":"en","value":"Discovered"},{"time":"2026-03-07T00:00:35.000Z","lang":"en","value":"Vendor Notified"},{"time":"2026-07-07T23:34:27.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-08T15:00:56.429002Z","id":"CVE-2026-3688","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-08T15:01:02.908Z"}}]}}