CVE-2023-4243: Full - Customer

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

The FULL - Customer plugin for WordPress is vulnerable to Arbitrary File Upload via the /install-plugin REST route in versions up to, and including, 2.2.3 due to improper authorization. This allows authenticated attackers with subscriber-level permissions and above to execute code by installing plugins from arbitrary remote locations including non-repository sources onto the site, granted they are packaged as a valid WordPress plugin.

Affected products

• Full Full - Customer: up to and including 2.2.3

Published 2023-08-09. Last modified 2026-06-17.