CVE-2026-111114
HighCVSS 7.5Summary
The Nexter Extension plugin for WordPress (versions up to and including 4.7.11) is vulnerable to privilege escalation. The /?reset-view handler in role_switcher_to_view_admin_as() performs no nonce or capability check, and the profile_update cleanup hook does not fire during bulk role changes via wp-admin/users.php?action=promote, leaving a stale 'administrator' value in user meta.
Risk Assessment
An authenticated attacker with Subscriber-level access or above can restore a stale Administrator role to their own account and gain full control of the site. This requires the attacker's account to have previously held the Administrator role and to have been demoted specifically through the bulk role-change control.
Recommendation
Update the Nexter Extension plugin to a version newer than 4.7.11 as soon as it becomes available. Until then, consider disabling the View Admin Role Switcher feature and avoid bulk role changes via wp-admin/users.php?action=promote.
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Original NVD description (English source)
The Nexter Extension – Security, Performance, Code Snippets & Site Toolkit plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 4.7.11 The vulnerability exists because the `/?reset-view` handler in `role_switcher_to_view_admin_as()` performs no nonce or capability check when the supplied username matches the authenticated caller, and because the plugin's only cleanup mechanism — the `profile_update` hook — does not fire when WordPress performs a bulk role change via `wp-admin/users.php?action=promote`, which calls `WP_User::set_role()` directly and leaves a stale `administrator` value in the `nxtext_view_admin_original_role` user meta. This makes it possible for authenticated attackers with Subscriber-level access or above to restore the stale stored Administrator role to their own account, effectively escalating their privileges to Administrator. Exploitation requires that the attacker's account previously held the Administrator role and used the View Admin Role Switcher feature before being demoted specifically through the bulk role-change control rather than the Edit User screen, as only the bulk path bypasses the `profile_update` hook that would otherwise have cleared the stored original role.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS