Medium severity · published Aug 4, 2026
CVE-2026-16296
Clearfy < 2.4.3 - Open Redirect via Cyrlitera 404 Handler
4.7
CVSS
0.3%
EPSS
No
On KEV
Description
The Clearfy Cache WordPress plugin before 2.4.3 does not validate the redirect target in its Cyrlitera old-URL redirect handler, passing a decoded request URI to an unsafe redirect function, which allows unauthenticated attackers to redirect visitors to an arbitrary external URL when a non-default option is enabled.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% 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-2026-16296
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-16296
wpscan.com
https://wpscan.com/vulnerability/265f2edb-1c86-4b87-a59f-d5de5bf21494/
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