WordPress: Unauthorized Nonce Access in Login Lockdown & Protection Plugin Enables IP Allowlisting

In Login Lockdown & Protection plugin for WordPress versions up to and including 2.11 a medium severity vulnerability CVE-2025-3766 was detected. This vulnerability allows authenticated users with Subscriber-level access or higher to obtain a valid nonce via the ajax_run_tool function, enabling them to generate a global unlock key and add IPs to the allowlist—exploitable only on new installs where the loginlockdown page has not been visited by an admin. To address this issue, users should upgrade Login Lockdown & Protection plugin to versions 2.12 or later. For more details, visit https://nvd.nist.gov/vuln/detail/CVE-2025-3766.