{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-93428", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-09-17T21:02:44.203Z", "datePublished": "2026-10-03T02:25:36.239Z", "dateUpdated": "2026-10-03T02:25:36.239Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-10-03T02:25:36.239Z"}, "affected": [{"vendor": "ultimatemember", "product": "Ultimate Member \u2013 User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "2.13.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Ultimate Member \u2013 User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.13.1 This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to view privacy-restricted member profile field values \u2014 including fields explicitly configured as owner-only, members-only, or role-restricted \u2014 by querying the publicly accessible wp_ajax_nopriv_um_get_members endpoint. The nonce required by the endpoint ('um-frontend-nonce') is emitted to all unauthenticated visitors via wp_localize_script, meaning it provides no meaningful access control and any anonymous visitor can satisfy the endpoint's authentication requirements."}], "title": "Ultimate Member <= 2.13.1 - Missing Authorization to Unauthenticated Sensitive Profile Field Disclosure via Member Directory Field Privacy Bypass", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/cde81421-e080-4530-87a5-6515f1c9800b?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/includes/core/class-member-directory.php#L2795"}, {"url": "https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/includes/core/class-member-directory.php#L2839"}, {"url": "https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/includes/core/class-fields.php#L144"}, {"url": "https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/includes/core/um-actions-profile.php#L1319"}, {"url": "https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/includes/core/class-ajax-common.php#L61"}, {"url": "https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/includes/um-short-functions.php#L1579"}, {"url": "https://github.com/ultimatemember/ultimatemember/releases/tag/2.14.0"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-862 Missing Authorization", "cweId": "CWE-862", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "credits": [{"lang": "en", "type": "finder", "value": "Mutantgun"}], "timeline": [{"time": "2026-09-17T21:17:49.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-10-02T13:59:43.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Ultimate Member \u2013 User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin", "vendor": "ultimatemember", "versions": [{"lessThanOrEqual": "2.13.1", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Ultimate Member \u2013 User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.13.1 This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to view privacy-restricted member profile field values \u2014 including fields explicitly configured as owner-only, members-only, or role-restricted \u2014 by querying the publicly accessible wp_ajax_nopriv_um_get_members endpoint. The nonce required by the endpoint ('um-frontend-nonce') is emitted to all unauthenticated visitors via wp_localize_script, meaning it provides no meaningful access control and any anonymous visitor can satisfy the endpoint's authentication requirements."}], "id": "CVE-2026-93428", "lastModified": "2026-10-03T03:16:37.067", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-10-03T03:16:37.067", "references": [{"source": "security@wordfence.com", "url": "https://github.com/ultimatemember/ultimatemember/releases/tag/2.14.0"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/includes/core/class-ajax-common.php#L61"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/includes/core/class-fields.php#L144"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/includes/core/class-member-directory.php#L2795"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/includes/core/class-member-directory.php#L2839"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/includes/core/um-actions-profile.php#L1319"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.13.1/includes/um-short-functions.php#L1579"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/cde81421-e080-4530-87a5-6515f1c9800b?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{"created": "2026-10-03T04:00:12.917119+00:00", "updated": "2026-10-03T04:00:12.917142+00:00", "vendors": []}