CVE-2026-16269 — Newsletters < 4.16 - Unauthenticated API Authentication Bypass via Type Juggling
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 j…
Published: 2026-08-08 · CVSS: 4.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7