FULL - Customer <= 2.2.3 - Authenticated(Subscriber+) Improper Authorization to Arbitrary Plugin Installation
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.
CVE-2023-4243 is a high severity with CVSS 8.8 Arbitrary File Upload issue affecting the Plugin FULL – Cliente. It affects Versions up to 2.2.3 and is fixed in 2.3.
Review the full FULL – Cliente vulnerability cluster
Use the related hub and response guides to connect this CVE-2023-4243 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2023-4243 is tracked for the Plugin FULL – Cliente as high severity with CVSS 8.8. The affected range is Versions up to 2.2.3. Update FULL – Cliente to 2.3 or newer where that version is compatible with the site.
Why this report is useful for search and triage
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
How to validate this finding
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions up to 2.2.3.
Confirm FULL – Cliente is updated to 2.3 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
full-customer
View on wordpress.org
|
| CVE | CVE-2023-4243 |
| Patched Versions |
2.3
|
| Affected Versions |
Versions up to 2.2.3
|
Related CVEs for FULL – Cliente
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
FULL Customer <= 3.1.25 - Authenticated (Contributor+) Local File Inclusion
FULL <= 3.1.12 - Unauthenticated Stored Cross-Site Scripting via License Plan Parameter
FULL – Cliente 3.1.5 - 3.1.25 - Authenticated (Subscriber+) SQL Injection
FULL – Cliente <= 3.1.22 - Reflected Cross-Site Scripting
FULL - Customer <= 2.2.3 - Authenticated(Subscriber+) Information Disclosure via Health Check
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