CVE-2026-4003 Users manager – PN <= 1.1.15 - Unauthenticated Privilege Escalation via Account Takeover via 'userspn_form_save' AJAX Action

The Users manager – PN plugin for WordPress is vulnerable to Privilege Escalation via Arbitrary User Meta Update in all versions up to and including 1.1.15. This is due to a flawed authorization logic check in the userspnajaxnoprivserver function within the 'userspnformsave' case. The conditional...

CVE-2026-4003

CVE-2026-4003 affects the WordPress plugin Users manager – PN up to v1.1.15. A flawed authorization path in userspn_ajax_nopriv_server() for the userspn_form_save case allows unauthenticated callers (with a non-empty user_id) to bypass auth checks and call update_user_meta(), enabling arbitrary u...