CVE-2025-67999CWE-89

WordPress Newsletter plugin <= 9.0.9 - SQL Injection vulnerability

High · published December 16, 2025

CVSS v3.1
7.6
EPSS
0%
Percentile
33.4
In the wild
Unconfirmed
What it is

⚡ A single improperly sanitized input is all it takes for a blind SQL injection to slip through in the Stefano Lissa Newsletter! 🔥 Think of it like a restaurant that lets patrons submit their own orders without checking if the ingredients are safe — one wrong entry could lead to a kitchen disaster! An attacker could exploit this vulnerability to manipulate the database behind the newsletter, potentially extracting sensitive information like user data or even altering entries. This could lead to breaches of privacy and trust, absolutely devastating for your subscribers!

Put simply

Think of it like a restaurant that lets patrons submit their own orders without checking if the ingredients are safe — one wrong entry could lead to a kitchen disaster! This vulnerability stems from improper neutralization of special elements in SQL commands, allowing attackers to execute arbitrary SQL queries and retrieve data without direct visibility—hence 'blind' SQL injection.

What to do

An attacker could exploit this vulnerability to manipulate the database behind the newsletter, potentially extracting sensitive information like user data or even altering entries. This could lead to breaches of privacy and trust, absolutely devastating for your subscribers! Immediately update to the latest version of the Stefano Lissa Newsletter (9.0.10 or newer) to patch this vulnerability. Additionally, ensure your database queries utilize prepared statements and proper input validation to safeguard against SQL injection attacks. 🛡️ You've got this! With these steps, you can secure your newsletter and protect your users! 🚀

The record
Technical detail
CVSS v3.1
7.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00403 · 33.4th percentile
Weakness
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Published
2025-12-16T08:12Z
EPSS history
Timeline
  • 16 DEC 08:12Z
    WordPress Newsletter plugin <= 9.0.9 - SQL Injection vulnerability
    cvelistv5