---
id: CVE-2026-66619
title: Administrator SQL Injection in Newsletters <= 4.18 versions.
summary: Administrator SQL Injection in Newsletters <= 4.18 versions.
severity: high
cvss: 7.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L'
cwe:
  - CWE-89
vendor: Tribulant Software
product: newsletters-lite
affected:
  - newsletters-lite >= n/a <= 4.18
published: '2026-09-17'
updated: '2026-09-19'
sourceUpdated: '2026-09-19T03:17:15.060'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-66619'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/newsletters-lite/vulnerability/wordpress-newsletters-plugin-4-18-sql-injection-vulnerability?_s_id=cve
    label: audit@patchstack.com
tags:
  - nvd
  - cve.org
epss: 0.00383
epssPercentile: 0.29506
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-19T02:22:37.701336Z'
ingestedAt: '2026-09-17T14:19:30.973Z'
---

## Overview

Administrator SQL Injection in Newsletters <= 4.18 versions.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.