CVE-2023-4819 Shared Files < 1.7.6 - Unauthenticated Stored Cross-Site Scripting
An attacker can execute arbitrary scripts in the context of other users by uploading malicious files due to incorrect Content-Type headers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-4819?
CVE-2023-4819 is a medium-severity cross-site scripting vulnerability in Unknown Shared Files, published on 16 Oct 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Shared Files WordPress plugin before 1.7.6 does not return the right Content-Type header for the specified uploaded file. Therefore, an attacker can upload an allowed file extension injected with malicious scripts.
Which versions are affected by CVE-2023-4819?
It affects 1 product.
Products include Tammersoft Shared Files.
How do I fix CVE-2023-4819?
No fix has been published for CVE-2023-4819 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-4819 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4819 exists.
Other vulnerabilities in Unknown Shared Files
Sources
Also known as GHSA-2mh6-g78c-5h6c.