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.
Published: 2026-08-08
Score: 4.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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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

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

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

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

Link: CVE-2026-16269

cve-icon Vulnrichment

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

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-16269

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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

Weaknesses