7.3High

CVE-2026-54840WordPress Newsletters plugin <= 4.13 - Broken Access Control vulnerability

Tribulant Software Newsletters Published: 2026-06-26 17:52 (4 months ago)

Description

Unauthenticated Broken Access Control in Newsletters <= 4.13 versions.

Weakness (CWE): CWE-862

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
Tribulant Software	Newsletters	≤ 4.13

References and patches

https://patchstack.com/database/wordpress/plugin/newsletters-lite/vulnerability/wordpress-newsletters-plugin-… vdb-entry

CVSS score

7.3High

Source: Patchstack · CVSS 3.1

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

All scores (2)

cna	CVSS 3.1	7.3High
audit@patchstack.com	CVSS 3.1	7.3High

EPSS (chance of exploitation in 30 days)

0.30%

higher than 23% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: yes
Technical impact: partial

Timeline

ID reserved2026-06-16
Published2026-06-26 17:52
Reached IP-DB2026-10-24 23:47
Last updated2026-10-25 21:10

Assigned by (CNA): Patchstack
NVD status: Deferred

View at source: CVE.org · NVD

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