CVE-2026-18437

EUVD-2026-51506
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 21%
Common Weakness Enumeration
References
https://plugins.trac.wordpress.org/browser/mailerpress/trunk/src/Api/Contacts.php#L801
https://plugins.trac.wordpress.org/browser/mailerpress/trunk/src/Api/Contacts.php#L847
https://www.wordfence.com/threat-intel/vulnerabilities/id/159d031b-0362-4625-9d98-3908401c8ee8?source=cve