Improper File Validation in Compress & Upload Plugin for WordPress
CVE-2025-8889
Currently unrated
Key Information:
- Vendor
WordPress
- Status
- Vendor
- CVE Published:
- 9 September 2025
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2025-8889?
The Compress & Upload plugin for WordPress, prior to version 1.0.5, contains a security flaw where it fails to properly validate uploaded files. This oversight enables users with elevated privileges, such as administrators, to upload arbitrary files to the server, even in environments like multisite setups where such actions should be restricted. This vulnerability poses a risk of unauthorized access and potential exploitation.
Affected Version(s)
Compress & Upload 0 < 1.0.5
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.