CVE-2026-16269CWE-287

CVE-2026-16269

Medium · published August 8, 2026

CVSS v3.1
4.8
EPSS
0%
Percentile
28.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00363 · 28.9th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-08-08T11:17Z
References (1)
https://wpscan.com/vulnerability/8b09afba-16a5-4d6c-9e85-84433a3c0d66/ · [email protected]
EPSS history
Timeline
  • 08 AUG 06:00Z
    Newsletters < 4.16 - Unauthenticated API Authentication Bypass via Type Juggling
    cvelistv5