PHP Object Injection Vulnerability in Clearfy Cache WordPress Plugin by Clearfy
CVE-2026-16297
Currently unrated
Key Information:
- Vendor
WordPress
- Status
- Vendor
- CVE Published:
- 3 August 2026
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-16297?
The Clearfy Cache plugin for WordPress, prior to version 2.4.3, contains a vulnerability that permits unrestricted classes during the unserialization of settings-import data. This flaw can be exploited by users with administrator privileges to conduct PHP Object Injection attacks. Should a suitable gadget chain be available, this vulnerability could result in remote code execution, posing significant security risks to WordPress sites utilizing this plugin.
Affected Version(s)
Clearfy Cache 0 < 2.4.3
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.