CVE-2023-4243 FULL - Customer <= 2.2.3 - Authenticated(Subscriber+) Improper Authorization to Arbitrary Plugin Installation
Authenticated subscribers can install arbitrary plugins via improper authorization, leading to remote code execution on WordPress sites.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-4243?
CVE-2023-4243 is a high-severity missing authorization vulnerability in fullservices FULL – Cliente, published on 9 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2023-4243?
It affects 1 product.
Products include Full Full - Customer.
How do I fix CVE-2023-4243?
No fix has been published for CVE-2023-4243 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-4243 being exploited?
There is no known exploitation of CVE-2023-4243 in the wild and no public exploit code.
Other vulnerabilities in fullservices FULL – Cliente
Sources
Also known as GHSA-f723-pfg4-v3p5.