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CVE-2026-111114

HIGH 7.5 CVSS 3.1
Published
October 16, 2026
Last modified
October 16, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-269
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

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.

Affected WordPress components

  • Nexter Extension – Security, Performance, Code Snippets & Site Toolkit Plugin · nexter-extension
    Confirmed match Active
    Up to and including 4.7.11
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • posimyththemes Nexter Extension – Security, Performance, Code Snippets & Site Toolkit — Up to and including 4.7.11

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/nexter-extension/tags/4.7.11/include/panel-settings/extensions/nexter-ext-view-admin-role.php#L265
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/nexter-extension/tags/4.7.11/include/panel-settings/extensions/nexter-ext-view-admin-role.php#L287
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/nexter-extension/tags/4.7.11/include/panel-settings/extensions/nexter-ext-view-admin-role.php#L302
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/nexter-extension/tags/4.7.11/include/panel-settings/extensions/nexter-ext-view-admin-role.php#L51
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3740891/nexter-extension/trunk/include/panel-settings/extensions/nexter-ext-view-admin-role.php
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/ae86441d-5a95-45a7-869a-9e7872365a1f?source=cve
  • nvd.nist.gov Official NVD record