CVE-2026-66619 PUBLISHED

WordPress Newsletters plugin <= 4.18 - SQL Injection vulnerability

Assigner: Patchstack
Reserved: 27.07.2026 Published: 17.09.2026 Updated: 17.09.2026

Administrator SQL Injection in Newsletters <= 4.18 versions.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
CVSS Score: 7.6

Product Status

Vendor Tribulant Software
Product Newsletters
Versions Default: unaffected
  • affected from n/a to 4.18 (incl.)

Solutions

Update the WordPress Newsletters Plugin to the latest available version (at least 4.18.1).

Credits

  • Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program finder

References

Problem Types

  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') CWE

Impacts

  • CAPEC-7 Blind SQL Injection