{"id":"CVE-2026-2356","aliases":["EUVD-2026-8825","GHSA-mfwc-76p3-m2rc"],"status":"published","title":"User Registration \u0026 Membership \u003c= 5.1.2 - Insecure Direct Object Reference to Unauthenticated Limited User Deletion","description":"The User Registration \u0026 Membership – Custom Registration Form, Login Form, and User Profile plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.1.2 via the 'register_member' function, due to missing validation on the 'member_id' user controlled key. This makes it possible for unauthenticated attackers to delete arbitrary user accounts that newly registered on the site who has the 'urm_user_just_created' user meta set.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00213,"percentile":0.11685,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2026-02-26T02:23:55Z","modified":"2026-06-17T10:30:50Z","products":[{"vendor":"wpeverest","product":"user registration \u0026 membership – free \u0026 paid memberships, subscriptions, content restriction, user profile, custom user registration \u0026 login builder"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/a5a1ccb2-4f78-4855-a01d-b15f73407822?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/user-registration/tags/5.1.1/modules/membership/includes/AJAX.php#L142"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2356"},{"url":"https://github.com/advisories/GHSA-mfwc-76p3-m2rc"}],"sources":{"cve":[{"id":"CVE-2026-2356","title":"User Registration \u0026 Membership \u003c= 5.1.2 - Insecure Direct Object Reference to Unauthenticated Limited User Deletion","description":"The User Registration \u0026 Membership – Custom Registration Form, Login Form, and User Profile plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.1.2 via the 'register_member' function, due to missing validation on the 'member_id' user controlled key. This makes it possible for unauthenticated attackers to delete arbitrary user accounts that newly registered on the site who has the 'urm_user_just_created' user meta set.","status":"published","published":"2026-02-26T02:23:55.847Z","modified":"2026-04-08T17:13:17.648Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T13:48:46.911326Z"}],"euvd":[{"id":"EUVD-2026-8825","description":"The User Registration \u0026 Membership – Custom Registration Form, Login Form, and User Profile plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.1.2 via the 'register_member' function, due to missing validation on the 'member_id' user controlled key. This makes it possible for unauthenticated attackers to delete arbitrary user accounts that newly registered on the site who has the 'urm_user_just_created' user meta set.","status":"published","published":"2026-02-26T02:23:55Z","modified":"2026-04-08T17:13:17Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:46.295439Z"}],"ghsa":[{"id":"GHSA-mfwc-76p3-m2rc","title":"The User Registration \u0026 Membership – Custom Registration Form, Login Form, and User Profile...","description":"The User Registration \u0026 Membership – Custom Registration Form, Login Form, and User Profile plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.1.2 via the 'register_member' function, due to missing validation on the 'member_id' user controlled key. This makes it possible for unauthenticated attackers to delete arbitrary user accounts that newly registered on the site who has the 'urm_user_just_created' user meta set.","status":"published","published":"2026-02-26T03:31:18Z","modified":"2026-02-26T03:31:29Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:06:23.326773Z"}],"nvd":[{"id":"CVE-2026-2356","description":"The User Registration \u0026 Membership – Custom Registration Form, Login Form, and User Profile plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.1.2 via the 'register_member' function, due to missing validation on the 'member_id' user controlled key. This makes it possible for unauthenticated attackers to delete arbitrary user accounts that newly registered on the site who has the 'urm_user_just_created' user meta set.","status":"published","published":"2026-02-26T03:16:05.293Z","modified":"2026-06-17T10:30:50.017Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:12:07.027269Z"}]}}