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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-16297
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-03 07:16:41 UTC
Updated2026-08-26 16:31:16 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 4.1 MEDIUM from ADP

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

EPSS: 0.002230000 probability, percentile 0.127800000 (date 2026-08-26)

Problem Types: CWE-502 | CWE-502 Deserialization of Untrusted Data | CWE-502 CWE-502 Deserialization of Untrusted Data

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED4.1MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary4.1MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Clearfy Cache affected 2.4.3 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/3daf62cd-eefe-49ec-89f7-b13f88111853 [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Omar Elshopky (en)

CNA: WPScan (en)

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