CVE Catalog

CVE-2026-7641

High
Published: Translated: NVD NIST

Summary

The Import and export users and customers plugin for WordPress is vulnerable to Privilege Escalation in all versions up to and including 2.0.8. The issue arises from an incomplete blocklist that incorrectly restricts capability meta keys for subsites in a Multisite network.

Risk Assessment

Authenticated attackers with Subscriber-level access and above can escalate their privileges to Administrator on any subsite within the Multisite network, posing a serious security threat to the entire network.

Recommendation

It is recommended to update the plugin to the latest version and review and remove any unauthorized users with Administrator privileges on subsites.

Related vulnerabilities

Original NVD description (English source)

The Import and export users and customers plugin for WordPress is vulnerable to Privilege Escalation in all versions up to and including 2.0.8 via the `save_extra_user_profile_fields()` function. This is due to an incomplete blocklist that correctly restricts capability meta keys for the primary site (e.g., `wp_capabilities`, `wp_user_level`) but fails to block the equivalent meta keys for any other subsite in a WordPress Multisite network (e.g., `wp_2_capabilities`, `wp_2_user_level`), allowing these keys to pass the `in_array()` check and be written directly to user meta via `update_user_meta()`. This makes it possible for authenticated attackers, with Subscriber-level access and above, to escalate their privileges to Administrator on any subsite within the Multisite network by submitting a crafted profile update to `/wp-admin/profile.php`. Exploitation requires that an administrator has previously imported a CSV file containing multisite-prefixed capability column headers and has en

Vulnerability data from NVD (NIST) · CISA KEV · EPSS