Vulnerability · Published Aug 3, 2026 · Assigned by WPScan

CVE-2026-16297Clearfy < 2.4.3 - Admin+ PHP Object Injection via Settings Import

Medium 4.1

In plain English

A medium-severity unsafe deserialization in Clearfy Cache from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)4.1Medium
Exploit odds (30 days)0.4%top 69.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Unknown Clearfy Cache 0 – before 2.4.3

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L

References