CVE-2026-18437
MailPress <= 1.5.0 - Missing Authorization to Unauthenticated Contact Updates
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | mailerpress |
| Product | mailerpress – newsletter, email marketing & ai automation |
| Published | Jul 31, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
mailerpress / MailerPress – Newsletter, email marketing & AI automation
0 ≤ 1.5.0
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/159d031b-0362-4625-9d98-3908401c8ee8?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/mailerpress/trunk/src/Api/Contacts.php#L847 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/mailerpress/trunk/src/Api/Contacts.php#L801
Credits
Jakub Lipiński (A3RES)