CVE-2026-16296

Clearfy < 2.4.3 - Open Redirect via Cyrlitera 404 Handler

Published Aug 4, 2026 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-601
Type Values Removed Values Added
First Time appeared Clearfy Cache
Clearfy Cache clearfy Cache
Wordpress
Wordpress wordpress
Vendors & Products Clearfy Cache
Clearfy Cache clearfy Cache
Wordpress
Wordpress wordpress
Type Values Removed Values Added
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.
Title Clearfy < 2.4.3 - Open Redirect via Cyrlitera 404 Handler
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 4, 2026, 2:15 PM
Reserved
Jul 20, 2026, 12:30 PM
Status
Deferred
Published
Aug 4, 2026, 7:16 AM
Modified
Aug 26, 2026, 4:31 PM