CVE-2026-16297

Clearfy < 2.4.3 - Admin+ PHP Object Injection via Settings Import

Published Aug 3, 2026 CVSS 3.1 · 4.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-502
Type Values Removed Values Added
First Time appeared Clearfy Cache
Clearfy Cache clearfy Cache
Wordpress
Wordpress wordpress
Vendors & Products Clearfy Cache
Clearfy Cache clearfy Cache
Wordpress
Wordpress wordpress
Type Values Removed Values Added
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.
Title Clearfy < 2.4.3 - Admin+ PHP Object Injection via Settings Import
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 3, 2026, 4:17 PM
Reserved
Jul 20, 2026, 12:30 PM
Status
Deferred
Published
Aug 3, 2026, 7:16 AM
Modified
Aug 26, 2026, 4:31 PM