CVE-2026-16269 — Newsletters < 4.16 - Unauthenticated API Authentication Bypass via Type Juggling

CVE-2026-16269

Newsletters < 4.16 - Unauthenticated API Authentication Bypass via Type Juggling PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Unknown / Newsletters	affected 0 before 4.16

CWE

No CWE identifiers supplied.

References

https://wpscan.com/vulnerability/8b09afba-16a5-4d6c-9e85-84433a3c0d66/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.