CVE ID :CVE-2026-16149
Published : Aug. 23, 2026, 12:16 a.m. | 17 minutes ago
Description :The Security Hardener plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 2.4.4. The vulnerability exists because the plugin’s user-enumeration protection, which is enabled by default, hooks the rest_endpoints filter via secure_user_endpoints() and overwrites every registered handler’s permission_callback on both the /wp/v2/users and /wp/v2/users/(?P[d]+) routes — including POST, PUT, PATCH, and DELETE handlers — with a bare closure that returns only is_user_logged_in(), completely stripping WordPress Core’s original capability checks such as create_users, promote_user, edit_users, and delete_users that WP_REST_Users_Controller normally enforces. This makes it possible for authenticated attackers with Subscriber-level access and above to create new Administrator accounts by sending POST request to /wp/v2/users with administrator role, or to reset an existing Administrator’s password by issuing a PUT/POST request to /wp/v2/users/. Because the block_user_enum option defaults to enabled, no special plugin configuration is required — the overwrite is active on every request as soon as the plugin is installed.
Severity: 8.8 | HIGH
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Published : Aug. 23, 2026, 12:16 a.m. | 17 minutes ago
Description :The Security Hardener plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 2.4.4. The vulnerability exists because the plugin’s user-enumeration protection, which is enabled by default, hooks the rest_endpoints filter via secure_user_endpoints() and overwrites every registered handler’s permission_callback on both the /wp/v2/users and /wp/v2/users/(?P
Severity: 8.8 | HIGH
Visit the link for more details, such as CVSS details, affected products, timeline, and more…