Clearfy Cache Plugin up to 2.4.2 on WordPress deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k3.13

Summaryinfo

A vulnerability was found in Clearfy Cache Plugin up to 2.4.2. It has been declared as problematic. Affected by this issue is some unknown functionality. Such manipulation leads to deserialization. This vulnerability is documented as CVE-2026-16297. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Clearfy Cache Plugin up to 2.4.2. It has been rated as problematic. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at wpscan.com. This vulnerability is handled as CVE-2026-16297 since 07/20/2026. The exploitation is known to be easy. The attack may be launched remotely. The exploitation needs additional levels of successful authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading to version 2.4.3 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Clearfy Cache Plugin 2.4.3

Timelineinfo

07/20/2026 CVE reserved
08/03/2026 +14 days Advisory disclosed
08/03/2026 +0 days VulDB entry created
08/03/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: wpscan.com
Status: Confirmed

CVE: CVE-2026-16297 (🔒)
GCVE (CVE): GCVE-0-2026-16297
GCVE (VulDB): GCVE-100-385496

Entryinfo

Created: 08/03/2026 08:48
Changes: 08/03/2026 08:48 (54)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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