What’s Vulnerable › Vulnerabilities

CVE-2023-4243: FULL - Customer <= 2.2.3 - Authenticated(Subscriber+) Improper Authorization to Arbitrary Plugin Installation

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-09 · updated 2026-06-17
• Weakness: CWE-285

Description

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

• fullservices FULL – Cliente: through 2.2.3

References

• https://plugins.trac.wordpress.org/browser/full-customer/tags/1.1.0/app/api/Plugin.php
• https://plugins.trac.wordpress.org/browser/full-customer/tags/2.2.1/app/api/PluginInstallation.php
• https://plugins.trac.wordpress.org/browser/full-customer/tags/2.3/app/api/Controller.php?rev=2951561
• https://www.wordfence.com/threat-intel/vulnerabilities/id/9799df3f-e34e-42a7-8a72-fa57682f7014?source=cve
• https://plugins.trac.wordpress.org/browser/full-customer/tags/1.1.0/app/api/Plugin.php
• https://plugins.trac.wordpress.org/browser/full-customer/tags/2.2.1/app/api/PluginInstallation.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/9799df3f-e34e-42a7-8a72-fa57682f7014?source=cve

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