CVE-2026-17520 — Newsletters < 4.17 - Unauthenticated API Access via Predictable API Key
The Newsletters WordPress plugin before 4.17 does not generate its API key using a sufficiently random source, deriving it from a publicly known value, allowing unauthenticated …
Published: 2026-08-29 · CVSS: 4.8 · CVSS 3.1
The Newsletters WordPress plugin before 4.17 does not generate its API key using a sufficiently random source, deriving it from a publicly known value, allowing unauthenticated attackers to compute the key and perform privileged actions such as adding and deleting subscribers and sending emails, when the optional API has been enabled.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7