Medium severity · published Aug 3, 2026
CVE-2026-16297
Clearfy < 2.4.3 - Admin+ PHP Object Injection via Settings Import
4.1
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
High
Privileges
High
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Clearfy Cache ·
before 2.4.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-16297
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-16297
wpscan.com
https://wpscan.com/vulnerability/3daf62cd-eefe-49ec-89f7-b13f88111853/
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