CVE-2026-16297: Clearfy < 2.4.3 - Admin+ PHP Object Injection via Settings Import
The Clearfy Cache WordPress plugin before 2.4.3 does not restrict the classes allowed when unserializing settings-import data, allowing users with administrator access to perform PHP Object Injection attacks, which may lead to remote code execution when a suitable gadget chain is present in the environment.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Clearfy Cache WordPress pluginto a version that resolves this vulnerability.Fixed in 2.4.3