MailPress <= 1.5.0 - Missing Authorization to Unauthenticated Contact Updates

2026-07-30 20:21

Jakub Lipiński (A3RES)

Strategic Overview

Status

Patched in 1.5.1

Affected PluginMailerPress – Newsletter, email marketing & AI automation

Affected Version<= 1.5.0

CVSS5.3Medium

CVECVE-2026-18437

View all MailerPress – Newsletter, email marketing & AI automation vulnerabilities

Vulnerability Overview

The MailerPress – Newsletter, email marketing & AI automation plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the `mailerpress/v1/contact` endpoint in all versions up to, and including, 1.5.0. This makes it possible for unauthenticated attackers to update contact details.

Technical Analysis

REMEDIATION: Update to version 1.5.1, or a newer patched version --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

https://www.cve.org/CVERecord?id=CVE-2026-18437 https://www.wordfence.com/threat-intel/vulnerabilities/id/159d031b-0362-4625-9d98-3908401c8ee8

CVSS Vector

5.3

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

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