site, granted they are packaged as a valid: Dangerous file upload
site, granted they are packaged as a valid is affected by dangerous file upload. Exploitation requires an authenticated WordPress account. Successful exploitation can place attacker-controlled executable content on the server and may lead to full site compromise.
- Component
- site, granted they are packaged as a valid
- Plugin slug
full-customer- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Aug 09, 2023
This CVE was published Aug 09, 2023 and is one of 7 known issues for this plugin.
Update, patch or deactivate.
Update site, granted they are packaged as a valid to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical 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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary and upstream sources
- NVD record for CVE-2023-4243
- WordPress upstream reference plugins.trac.wordpress.org
- WordPress upstream reference plugins.trac.wordpress.org
- WordPress upstream reference plugins.trac.wordpress.org
- Wordfence advisory wordfence.com
- WordPress upstream reference plugins.trac.wordpress.org
- WordPress upstream reference plugins.trac.wordpress.org
- Wordfence advisory wordfence.com