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Vulnerabilities CVE-2026-16269

CVE-2026-16269

None
Open
TLP:CLEAR

Newsletters < 4.16 - Unauthenticated API Authentication Bypass via Type Juggling

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Description

The Newsletters WordPress plugin before 4.16 does not strictly compare its API authentication key, allowing unauthenticated attackers to bypass the API authentication via type juggling and perform privileged actions such as modifying subscriber records and sending emails, when the optional API has been enabled.

Details

EPSS Score
0.23%

13.5th percentile

Confidence
90%
Published
Aug 8, 2026
Last Modified
Aug 11, 2026
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