What is CVE-2026-16297?

CVE-2026-16297 is a medium-severity vulnerability in Clearfy Cache, classified under Deserialization of Untrusted Data. CVSS score: 4.1/10. Published 2026-08-03.

How severe is CVE-2026-16297?

Medium severity. CVSS v3 base score is 4.1 out of 10.

Deserialization in Clearfy Cache

CVE-2026-16297

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…

Vulnerability class: Insecure Deserialization

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

Unknown Clearfy Cache — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-16297?: CVE-2026-16297 is a medium-severity vulnerability in Clearfy Cache, classified under Deserialization of Untrusted Data. CVSS score: 4.1/10. Published 2026-08-03.
How severe is CVE-2026-16297?: Medium severity. CVSS v3 base score is 4.1 out of 10.