CVE-2026-16268

HIGH CVSS 8.2 View on NVD ↗

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

References

https://wpscan.com/vulnerability/65612dd4-83d8-40c5-8e12-862e9b5f940b/

Published: Aug 06, 2026 07:16 UTC Modified: Aug 06, 2026 15:16 UTC