CVE-2026-18437 PUBLISHED

MailPress <= 1.5.0 - Missing Authorization to Unauthenticated Contact Updates

Assigner: Wordfence
Reserved: 30.07.2026 Published: 31.07.2026 Updated: 31.07.2026

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.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 5.3

Product Status

Vendor mailerpress
Product MailerPress – Newsletter, email marketing & AI automation
Versions Default: unaffected
  • affected from 0 to 1.5.0 (incl.)

Credits

  • Jakub Lipiński (A3RES) finder

References

Problem Types

  • CWE-862 Missing Authorization CWE