CVE-2026-16296

Clearfy < 2.4.3 - Open Redirect via Cyrlitera 404 Handler

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.

Affected

Clearfy Cache

CVSS v3.1 CNA

4.7 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

EPSS

0.29% chance of exploitation in the next 30 days, 20th percentile

Published

2026-08-04

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/265f2edb-1c86-4b87-a59f-d5de5bf21494/

References

• CVE Record
• NVD entry