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{}

{"analysis": {"en": {"generated_at": "2026-04-22T00:09:29.143092+00:00", "value": {"mitigation_remediation": ["Update Ultimate Member to the latest version (>= 2.12.0) to remove the vulnerable ajax_get_members endpoint.", "If an upgrade is not immediately possible, restrict access to the ajax_get_members endpoint so that only authenticated users can invoke it.", "Run a security scan or audit after applying the fix to confirm that no sensitive user information is exposed via public AJAX calls."], "summary": {"action": "Apply Patch", "impact": "Sensitive Information Exposure"}, "threat_synthesis": {"affected_systems": "Affected installations are those running Ultimate Member \u2013 User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin version 2.11.0 or earlier on WordPress. All WordPress sites that have not upgraded beyond 2.11.0 are potentially vulnerable to this information\u2011exposure flaw.", "description_and_impact": "The vulnerability lies in a predictable low\u2011entropy token used by the ajax_get_members function, allowing unauthenticated attackers to enumerate member directories and retrieve sensitive account information such as usernames, display names, roles\u2014including administrator accounts\u2014profile URLs, and user IDs. This constitutes a data disclosure flaw (CWE\u2011200) because the plugin fails to enforce proper authorization on exposed AJAX endpoint.", "risk_and_exploitability": "The CVSS base score of 5.3 indicates moderate severity, and the EPSS score of less than 1\u202f% suggests a low probability of exploitation at the time of analysis. Nonetheless, the flaw can be exploited through simple enumeration or brute\u2011force of the 16\u2075 token space, meaning unauthenticated users can glean sensitive data without any additional privileges. The vulnerability is not currently listed in the CISA KEV catalog, but the lack of strong access controls on a public endpoint warrants immediate attention."}}}}, "created": "2025-12-21T21:12:25.163366+00:00", "updated": "2026-04-22T00:15:03.771975+00:00", "vendors": ["ultimatemember", "ultimatemember$PRODUCT$ultimate_member", "ultimatemember$PRODUCT$ultimatemember", "ultimatemember$PRODUCT$user_profile_&_membership", "wordpress", "wordpress$PRODUCT$wordpress"]}