CVE-2025-12492

Description

The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.11.0 via the ajax_get_members function. This is due to the use of a predictable low-entropy token (5 hex characters derived from md5 of post ID) to identify member directories and insufficient authorization checks on the unauthenticated AJAX endpoint. This makes it possible for unauthenticated attackers to extract sensitive data including usernames, display names, user roles (including administrator accounts), profile URLs, and user IDs by enumerating predictable directory_id values or brute-forcing the small 16^5 token space.

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/61337d2d-d15a-45f2-b730-fc034eb3cd31?source=cve

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3421362%40ultimate-member%2Ftrunk&old=3408617%40ultimate-member%2Ftrunk&sfp_email=&sfph_mail=

https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.10.6/templates/members.php#L26

https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.10.6/includes/core/class-member-directory.php#L2795

https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.10.6/includes/core/class-member-directory.php#L205

https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.10.6/includes/core/class-ajax-common.php#L61

https://plugins.trac.wordpress.org/browser/ultimate-member/tags/2.10.6/includes/class-functions.php#L41

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS