{"id":"CVE-2026-4977","aliases":["EUVD-2026-21266","GHSA-72hv-q97x-rw7p"],"status":"published","title":"UsersWP \u003c= 1.2.58 - Authenticated (Subscriber+) Restricted Usermeta Modification via 'htmlvar' Parameter","description":"The UsersWP – Front-end login form, User Registration, User Profile \u0026 Members Directory plugin for WordPress is vulnerable to Improper Access Control in all versions up to, and including, 1.2.58 This is due to insufficient field-level permission validation in the upload_file_remove() AJAX handler where the $htmlvar parameter is not validated against a whitelist of allowed fields or checked against the field's for_admin_use property. This makes it possible for authenticated attackers, with subscriber-level access and above, to clear or reset any restricted usermeta column for their own user record, including fields marked as \"For admin use only\", bypassing intended field-level access restrictions.","severity":{"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00302,"percentile":0.23127,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-04-10T01:25:00Z","modified":"2026-06-17T10:57:32Z","products":[{"vendor":"stiofansisland","product":"userswp – front-end login form, user registration, user profile \u0026 members directory plugin for wp"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/efee685c-e2cd-471b-aea9-607124df6006?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/userswp/trunk/includes/class-forms.php#L2274"},{"url":"https://plugins.trac.wordpress.org/browser/userswp/tags/1.2.54/includes/class-forms.php#L2274"},{"url":"https://plugins.trac.wordpress.org/browser/userswp/trunk/includes/class-forms.php#L2251"},{"url":"https://plugins.trac.wordpress.org/browser/userswp/tags/1.2.54/includes/class-forms.php#L2251"},{"url":"https://plugins.trac.wordpress.org/browser/userswp/trunk/includes/class-meta.php#L165"},{"url":"https://plugins.trac.wordpress.org/browser/userswp/tags/1.2.54/includes/class-meta.php#L165"},{"url":"https://plugins.trac.wordpress.org/changeset?old_path=%2Fuserswp/tags/1.2.58\u0026new_path=%2Fuserswp/tags/1.2.59"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4977"},{"url":"https://github.com/advisories/GHSA-72hv-q97x-rw7p"}],"sources":{"cve":[{"id":"CVE-2026-4977","title":"UsersWP \u003c= 1.2.58 - Authenticated (Subscriber+) Restricted Usermeta Modification via 'htmlvar' Parameter","description":"The UsersWP – Front-end login form, User Registration, User Profile \u0026 Members Directory plugin for WordPress is vulnerable to Improper Access Control in all versions up to, and including, 1.2.58 This is due to insufficient field-level permission validation in the upload_file_remove() AJAX handler where the $htmlvar parameter is not validated against a whitelist of allowed fields or checked against the field's for_admin_use property. This makes it possible for authenticated attackers, with subscriber-level access and above, to clear or reset any restricted usermeta column for their own user record, including fields marked as \"For admin use only\", bypassing intended field-level access restrictions.","status":"published","published":"2026-04-10T01:25:00.523Z","modified":"2026-04-10T13:45:35.27Z","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","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:19:59.369956Z"}],"euvd":[{"id":"EUVD-2026-21266","description":"The UsersWP – Front-end login form, User Registration, User Profile \u0026 Members Directory plugin for WordPress is vulnerable to Improper Access Control in all versions up to, and including, 1.2.58 This is due to insufficient field-level permission validation in the upload_file_remove() AJAX handler where the $htmlvar parameter is not validated against a whitelist of allowed fields or checked against the field's for_admin_use property. This makes it possible for authenticated attackers, with subscriber-level access and above, to clear or reset any restricted usermeta column for their own user record, including fields marked as \"For admin use only\", bypassing intended field-level access restrictions.","status":"published","published":"2026-04-10T01:25:00Z","modified":"2026-04-10T13:45:35Z","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","level":"medium"}],"updated_at":"2026-11-02T19:24:30.341772Z"}],"ghsa":[{"id":"GHSA-72hv-q97x-rw7p","title":"The UsersWP – Front-end login form, User Registration, User Profile \u0026 Members Directory plugin...","description":"The UsersWP – Front-end login form, User Registration, User Profile \u0026 Members Directory plugin for WordPress is vulnerable to Improper Access Control in all versions up to, and including, 1.2.58 This is due to insufficient field-level permission validation in the upload_file_remove() AJAX handler where the $htmlvar parameter is not validated against a whitelist of allowed fields or checked against the field's for_admin_use property. This makes it possible for authenticated attackers, with subscriber-level access and above, to clear or reset any restricted usermeta column for their own user record, including fields marked as \"For admin use only\", bypassing intended field-level access restrictions.","status":"published","published":"2026-04-10T03:31:10Z","modified":"2026-04-10T03:31:16Z","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","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:07:24.354029Z"}],"nvd":[{"id":"CVE-2026-4977","description":"The UsersWP – Front-end login form, User Registration, User Profile \u0026 Members Directory plugin for WordPress is vulnerable to Improper Access Control in all versions up to, and including, 1.2.58 This is due to insufficient field-level permission validation in the upload_file_remove() AJAX handler where the $htmlvar parameter is not validated against a whitelist of allowed fields or checked against the field's for_admin_use property. This makes it possible for authenticated attackers, with subscriber-level access and above, to clear or reset any restricted usermeta column for their own user record, including fields marked as \"For admin use only\", bypassing intended field-level access restrictions.","status":"published","published":"2026-04-10T02:16:03.877Z","modified":"2026-06-17T10:57:32.373Z","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","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:13.902911Z"}]}}