8.8
CWE
434 285
Advisory Published
Updated

CVE-2023-4243: Malicious File Upload

First published: Wed Aug 09 2023(Updated: )

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.

Credit: security@wordfence.com

Affected SoftwareAffected VersionHow to fix
Full Full - Customer<=2.2.3
<=2.2.3

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Frequently Asked Questions

  • What is the severity of CVE-2023-4243?

    CVE-2023-4243 has been rated as a high severity vulnerability due to its potential for arbitrary file uploads.

  • How do I fix CVE-2023-4243?

    To fix CVE-2023-4243, update the Full - Customer plugin to version 2.2.4 or later.

  • Who is affected by CVE-2023-4243?

    CVE-2023-4243 affects all versions of the Full - Customer plugin for WordPress up to and including 2.2.3.

  • What type of vulnerability is CVE-2023-4243?

    CVE-2023-4243 is an arbitrary file upload vulnerability due to improper authorization in its REST API.

  • Can CVE-2023-4243 be exploited by unauthenticated users?

    No, CVE-2023-4243 requires authenticated users with subscriber-level permissions or higher to exploit the vulnerability.

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