FULL - Customer <= 2.2.3 - Authenticated(Subscriber+) Improper Authorization to Arbitrary Plugin Installation
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass, Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-285 and CWE-434.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| fullservices | FULL – Cliente | up to 2.2.3 | — | No fix listed | CNA |
- FULL – Cliente Vendorfullservices Affected up to 2.2.3 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-4243
- 2026-10-03 Alias added: GHSA-f723-pfg4-v3p5
References
More fullservices vulnerabilities
- TI-2025-19673 WordPress FULL – Cliente plugin <= 3.1.26 - Local File Inclusion vulnerability CVSS 3.1HIGH 7.5
- TI-2024-05984 FULL <= 3.1.12 - Unauthenticated Stored Cross-Site Scripting via License Plan Parameter CVSS 3.1HIGH 7.2
- TI-2024-11154 FULL – Cliente 3.1.5 - 3.1.25 - Authenticated (Subscriber+) SQL Injection CVSS 3.1MEDIUM 6.5
- TI-2024-08547 FULL – Cliente <= 3.1.22 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
Sources
- CVE-2023-4243 · CVE Program
- CVE-2023-4243 · NVD
- FIRST EPSS
- GHSA-f723-pfg4-v3p5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences