What’s Vulnerable › Vulnerabilities
CVE-2026-16296: Clearfy < 2.4.3 - Open Redirect via Cyrlitera 404 Handler
- Severity: medium (CVSS 4.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-04 · updated 2026-08-26
- Weakness: CWE-601
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.
Affected products
- Clearfy Cache: before 2.4.3 — fixed in 2.4.3
How to fix
Upgrade to a fixed version: Clearfy Cache 2.4.3. Check the vendor advisory for mitigations.
References
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