CVE-2026-12406
The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.3.7. 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 delete arbitrary media attachments whose post_author is 0, such as guest and registration-form uploads, via the wpuf_file_del AJAX action. This is exploitable by unauthenticated visitors on any site where a WPUF shortcode is rendered on a front-end page, as this causes the valid wpuf_nonce value to be localized into publicly accessible JavaScript objects (wpuf_upload and wpuf_frontend), satisfying the sole access control gate.
Kelemahan
The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.3.7. 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 delete arbitrary media attachments whose post_author is 0, such as guest and registration-form uploads, via the wpuf_file_del AJAX action. This is exploitable by unauthenticated visitors on any site where a WPUF shortcode is rendered on a front-end page, as this causes the valid wpuf_nonce value to be localized into publicly accessible JavaScript objects (wpuf_upload and wpuf_frontend), satisfying the sole access control gate.
Referensi
- https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.2/includes/Ajax.php#L27
- https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.2/includes/Ajax/Upload_Ajax.php#L257
- https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.2/includes/Ajax/Upload_Ajax.php#L271
- https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.2/includes/Frontend.php#L88
- https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.7/includes/Ajax.php#L27
- https://plugins.trac.wordpress.org/browser/wp-user-frontend/tags/4.3.7/includes/Ajax/Upload_Ajax.php#L257
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