CVE-2026-16297 — MEDIUM (4.1)

Vulnerability Description

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.

CVSS Score

4.1

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Related Weaknesses (CWE)

CWE-502

References

https://wpscan.com/vulnerability/3daf62cd-eefe-49ec-89f7-b13f88111853/

FAQ

What is CVE-2026-16297?

CVE-2026-16297 is a vulnerability with a CVSS score of 4.1 (MEDIUM). 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...

How severe is CVE-2026-16297?

CVE-2026-16297 has been rated MEDIUM with a CVSS base score of 4.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-16297?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.