CVE-2026-11359: Memberships and User Profiles for WooCommerce <= 3.4 - Missing Authorization to Authenticated (Subscriber+) ProfileGrid Plugin Installation and Activation

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack vector

Network

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

None

Integrity

Low

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.3% · higher than 27% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

MA

Memberships and User Profiles for WooCommerce – ProfileGrid WooCommerce Integration · metagauss

through 3.4 · source: vendor