CVE-2026-16269 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00187.

Key SSVC decision points have not yet been added.

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OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

Tue, 11 Aug 2026 20:30:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Sat, 08 Aug 2026 07:45:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-287

Sat, 08 Aug 2026 06:30:00 +0000

Type	Values Removed	Values Added
Description		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.
Title		Newsletters < 4.16 - Unauthenticated API Authentication Bypass via Type Juggling
References		https://wpscan.com/vulnerability/8b09afba-16a5-4d6c-9e85-84433a3c0d66/

Projects

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MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-08-08T06:00:10.712Z

Updated: 2026-08-11T19:33:17.675Z

Reserved: 2026-07-20T09:09:41.544Z

Link: CVE-2026-16269

Vulnrichment

Updated: 2026-08-11T19:32:55.270Z

NVD

Status : Received

Published: 2026-08-08T07:17:09.790

Modified: 2026-08-11T20:17:27.727

Link: CVE-2026-16269

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-08-13T10:15:07Z

Weaknesses

CWE-287

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