CVE-2023-4243
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.90%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.90% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-285, CWE-434
- Affected
- full/full - customer
- Source
- security@wordfence.com
References
- https://plugins.trac.wordpress.org/browser/full-customer/tags/1.1.0/app/api/Plugin.phpProduct
- https://plugins.trac.wordpress.org/browser/full-customer/tags/2.2.1/app/api/PluginInstallation.phpProduct
- https://plugins.trac.wordpress.org/browser/full-customer/tags/2.3/app/api/Controller.php?rev=2951561
- https://www.wordfence.com/threat-intel/vulnerabilities/id/9799df3f-e34e-42a7-8a72-fa57682f7014?source=cveThird Party Advisory
- https://plugins.trac.wordpress.org/browser/full-customer/tags/1.1.0/app/api/Plugin.phpProduct
- https://plugins.trac.wordpress.org/browser/full-customer/tags/2.2.1/app/api/PluginInstallation.phpProduct
- https://www.wordfence.com/threat-intel/vulnerabilities/id/9799df3f-e34e-42a7-8a72-fa57682f7014?source=cveThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.