FULL - Customer <= 2.2.3 - Authenticated(Subscriber+) Improper Authorization to Arbitrary Plugin Installation
Summary
| CVE | CVE-2023-4243 |
|---|---|
| State | PUBLISHED |
| Assigner | Wordfence |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2023-08-09 04:15:10 UTC |
| Updated | 2026-04-08 18:18:13 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 8.8 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Problem Types: CWE-285 | CWE-434 | CWE-285 CWE-285 Improper Authorization
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | DECLARED | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Full | Full - Customer | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Fullservices | FULL Cliente | affected 2.2.3 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| FULL - Customer <= 2.2.3 - Authenticated(Subscriber+) Improper Authorization to Arbitrary Plugin Installation | af854a3a-2127-422b-91ae-364da2661108 | www.wordfence.com | Third Party Advisory |
| plugins.trac.wordpress.org/browser/full-customer/tags/2.3/app/api/Controller.php | [email protected] | plugins.trac.wordpress.org | |
| 403 Forbidden | af854a3a-2127-422b-91ae-364da2661108 | plugins.trac.wordpress.org | Product |
| 403 Forbidden | af854a3a-2127-422b-91ae-364da2661108 | plugins.trac.wordpress.org | Product |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Ramuel Gall (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2023-08-08T00:00:00.000Z | Disclosed |
There are currently no legacy QID mappings associated with this CVE.