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CVE-2023-4243
FULL - Customer <= 2.2.3 - Authenticated(Subscriber+) Improper Authorization to Arbitrary Plugin Installation
High8.8EPSS 0.90%
- Published
- Updated
- Reserved
- Assigned by
- Wordfence
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| WordfenceCNA (assigner) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.90% · top 40% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
Affected products
- affected ≤ 2.2.3
References (4)
- https://www.wordfence.com/threat-intel/vulnerabilities/id/9799df3f-e34e-42a7-8a72-fa57682f7014?source=cve (opens in a new tab)x_transferred
- https://plugins.trac.wordpress.org/browser/full-customer/tags/1.1.0/app/api/Plugin.php (opens in a new tab)x_transferred
- https://plugins.trac.wordpress.org/browser/full-customer/tags/2.2.1/app/api/PluginInstallation.php (opens in a new tab)x_transferred
- https://plugins.trac.wordpress.org/browser/full-customer/tags/2.3/app/api/Controller.php?rev=2951561 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-4243)Record last updated .