SQL Injection Vulnerability in Newsletters Plugin by WordPress
CVE-2026-66619

7.6HIGH

Key Information:

Vendor

WordPress
Status
Newsletters
Vendor
CVE Published:
17 September 2026

What is CVE-2026-66619?

The Newsletters plugin for WordPress, specifically versions up to 4.18, exposes users to a SQL Injection vulnerability that could allow attackers to manipulate the database directly. This flaw can lead to unauthorized access and data leaks, putting sensitive information at risk. It's crucial for users to update to the latest version to mitigate potential threats linked to this vulnerability.

Affected Version(s)

Newsletters <= 4.18

References

https://patchstack.com/database/wordpress/plugin/newslett...
vdb-entry

CVSS V3.1

Score:
7.6
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program
.