CVE-2026-16268 — Newsletters < 4.16 - Unauthenticated Server-Side Request Forgery via SNS Bounce Handler

CVE-2026-16268

Newsletters < 4.16 - Unauthenticated Server-Side Request Forgery via SNS Bounce Handler PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Unknown / Newsletters	affected 0 before 4.16

CWE

No CWE identifiers supplied.

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.