CVE-2025-8889 Compress Then Upload < 1.0.5 - Admin+ Arbitrary File Upload
Administrators can upload arbitrary files to the server, potentially leading to remote code execution, due to insufficient validation in the Compress & Upload plugin.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-8889?
CVE-2025-8889 is a low-severity vulnerability in Unknown Compress & Upload, published on 9 Sep 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The Compress & Upload WordPress plugin before 1.0.5 does not properly validate uploaded files, allowing high privilege users such as admin to upload arbitrary files on the server even when they should not be allowed to (for example in multisite setup)
Weakness: CWE-434
Which versions are affected by CVE-2025-8889?
It affects 1 product.
Products include Eliehanna Compress \& Upload.
How do I fix CVE-2025-8889?
No fix has been published for CVE-2025-8889 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-8889 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8889 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-34r3-h75p-74mh.