The Import and export users and customers plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.26.6.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

The Import and export users and customers plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the user agent header in all versions up to, and including, 1.26.6.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator access and higher, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Import and export users and customers plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the ajax_force_reset_password_delete_metas() function in all versions up to, and including, 1.26.5. This makes it possible for authenticated attackers, with subscriber-level access and above, to delete all forced password resets.