Vulnerability · Published Jul 31, 2026 · Assigned by Wordfence

CVE-2026-18437MailPress <= 1.5.0 - Missing Authorization to Unauthenticated Contact Updates

Medium 5.3

In plain English

A medium-severity missing authorization in MailerPress – Newsletter, email marketing & AI automation from mailerpress. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.4%top 66.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
mailerpress	MailerPress – Newsletter, email marketing & AI automation	0 – through 1.5.0

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

In plain English

Official description

Affected products (as reported)

References