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

Clearfy Cache

CVSS v3.1 CNA

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

EPSS

0.37% chance of exploitation in the next 30 days, 29th percentile

Published

2026-08-03

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry