CVE-2025-67999 HIGH

CVE-2025-67999: WordPress Newsletter plugin <= 9.0.9 - SQL Injection vulnerability

Vendor Stefano Lissa
Product Newsletter
Weakness CWE-89 · SQLi
Published December 16, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

7.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Stefano Lissa Newsletter newsletter allows Blind SQL Injection.This issue affects Newsletter: from n/a through <= 9.0.9.

Explanation of Vulnerability in Simple Terms

02Summary

The Newsletter plugin for WordPress contains a SQL injection vulnerability in versions up to 9.0.9. An attacker with high-level privileges can inject malicious SQL commands to read sensitive data from the database. The vulnerability requires administrative access to exploit and does not allow data modification. Update to version 9.2.9 or later to resolve this issue.

What an attacker can do

03Attacker Capabilities

Read sensitive data from the site's database by injecting SQL commands.

Potential impact on your site

04Site Impact

An admin account compromise could expose your database contents, including user data and configuration secrets.

Conditions required to exploit

05Prerequisites

Attacker must have high-level administrative privileges on the WordPress site.

Key dates

06Disclosure timeline

December 16, 2025 CVE published
April 28, 2026 Record updated