CVE-2026-54840 - Vulnerability Details - OpenCVE

Unauthenticated Broken Access Control in Newsletters <= 4.13 versions.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Tribulant Software

Newsletters

unaffected

Version	Status	Constraints
`n/a`	affected	≤ 4.13

No data.

No data.

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

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

Update the WordPress Newsletters Plugin to the latest available version (at least 4.14).

Workaround

No workaround given by the vendor.

References

Link	Providers
https://patchstack.com/database/wordpress/plugin/newsletters-lite/vulnerability/wordpress-newsletters-plugin-4-13-broken-access-control-vulnerability?_s_id=cve

History

Fri, 26 Jun 2026 18:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 26 Jun 2026 15:15:00 +0000

Type	Values Removed	Values Added
Description		Unauthenticated Broken Access Control in Newsletters <= 4.13 versions.
Title		WordPress Newsletters plugin <= 4.13 - Broken Access Control vulnerability
Weaknesses		CWE-862
References		https://patchstack.com/database/wordpress/plugin/newsletters-lite/vulnerability/wordpress-newsletters-plugin-4-13-broken-access-control-vulnerability?_s_id=cve
Metrics		cvssV3_1 `{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Patchstack

Published: 2026-06-26T14:52:27.015Z

Updated: 2026-06-26T17:43:51.460Z

Reserved: 2026-06-16T09:21:57.269Z

Link: CVE-2026-54840

Vulnrichment

Updated: 2026-06-26T17:35:19.088Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-06-26T17:00:04Z

Weaknesses

CWE-862

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