CVE-2026-18437CWE-862broken-access-control

CVE-2026-18437

Medium · published July 31, 2026

CVSS v3.1

5.3

EPSS

Percentile

31.9

In the wild

Unconfirmed

What it is

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.

The record

Technical detail

CVSS v3.1: 5.3 · MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0: Not supplied
EPSS: 0.00390 · 31.9th percentile
Weakness: CWE-862 · Missing Authorization
Published: 2026-07-31T14:16Z

References (3)

https://plugins.trac.wordpress.org/browser/mailerpress/trunk/src/Api/Contacts.php#L801 · [email protected]https://plugins.trac.wordpress.org/browser/mailerpress/trunk/src/Api/Contacts.php#L847 · [email protected]https://www.wordfence.com/threat-intel/vulnerabilities/id/159d031b-0362-4625-9d98-3908401c8ee8?source=cve · [email protected]

EPSS history

Timeline

31 JUL 08:30Z
MailPress <= 1.5.0 - Missing Authorization to Unauthenticated Contact Updates
cvelistv5