CVE-2023-4243

FULL - Customer <= 2.2.3 - Authenticated(Subscriber+) Improper Authorization to Arbitrary Plugin Installation

HIGH
8.8
CVSS Score
Published: August 9, 2023 at 03:36 AM UTC
Updated: June 17, 2026 at 06:37 AM UTC
2 products affected across 2 vendorsFULL CustomerFULL Customer

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Severity
HIGH8.8
Exploit prediction
EPSS 0.9%
SSVC
No known 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

FULL Customer· Fullwordpress-plugin
95%
v ≤ 2.2.3
60%
v ≤ 2.2.3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHWordfence
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-434CWE-285

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