CVE-2026-16268 — Newsletters < 4.16 - Unauthenticated Server-Side Request Forgery via SNS Bounce Handler
The Newsletters WordPress plugin before 4.16 does not authenticate or validate a bounce-processing request before fetching a user-supplied URL on the server side, allowing unaut…
Published: 2026-08-06 · CVSS: 8.2 · CVSS 3.1
The Newsletters WordPress plugin before 4.16 does not authenticate or validate a bounce-processing request before fetching a user-supplied URL on the server side, allowing unauthenticated attackers to make the site issue requests to arbitrary internal or external hosts.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7