CVE-2026-16297 in Clearfy Cache Plugin

Summary

by MITRE • 08/03/2026

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.

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• Responsible: WPScan
• Reservation: 07/20/2026
• Disclosure: 08/03/2026
• Moderation: accepted
• Entry: VDB-385496
• CPE: ready
• CWE: CWE-502 (confirmed)
• CVSS: 4.3 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: low
• Sector: Hostingprovider

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-16297
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-16297
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-16297/