CVE-2026-11359

What is known

The Memberships and User Profiles for WooCommerce – ProfileGrid WooCommerce Integration plugin for WordPress is vulnerable to unauthorized plugin installation and activation in versions up to, and including, 3.4. This is due to a missing capability check and missing nonce validation on the pg_install_profilegrid() AJAX handler registered via wp_ajax_pg_install_profilegrid. This makes it possible for authenticated attackers, with Subscriber-level access and above, to install and activate the ProfileGrid plugin from wordpress.

Business impact

Successful exploitation of CVE-2026-11359, a medium vulnerability (CVSS 4.3) affecting the affected product, may affect the confidentiality, integrity or availability of the vulnerable environment. The exact impact depends on the installed version, exposed interfaces and deployment configuration.

Recommended administrator action

Confirm whether the affected product is present and compare installed versions with the vendor advisory and NVD record. Apply the vendor patch or documented mitigation; until remediation is complete, reduce exposure of affected interfaces, review relevant logs and monitor for indicators of exploitation. DataHouse can support version verification, managed patching, network exposure reduction, log review and backup validation for dedicated, cloud and colocated environments.

Sources

• NVD
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