---
id: CVE-2026-116863
title: >-
  WordPress Newsletters plugin <= 4.18.2 - Cross Site Request Forgery (CSRF)
  vulnerability
summary: >-
  Cross-Site Request Forgery (CSRF) vulnerability in Tribulant Software
  Newsletters newsletters-lite allows Cross Site Request Forgery.This issue
  affects Newsletters: from n/a through 4.18.2.
severity: critical
cvss: 9.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-352
vendor: Tribulant Software
product: newsletters-lite
affected:
  - newsletters-lite <= 4.18.2
published: '2026-10-27'
updated: '2026-10-27'
sourceUpdated: '2026-10-27T15:57:41.805Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116863'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/newsletters-lite/vulnerability/wordpress-newsletters-plugin-4-18-2-cross-site-request-forgery-csrf-vulnerability?_s_id=cve
tags:
  - cve.org
ingestedAt: '2026-10-27T16:11:59.484Z'
---

## Overview

Cross-Site Request Forgery (CSRF) vulnerability in Tribulant Software Newsletters newsletters-lite allows Cross Site Request Forgery.This issue affects Newsletters: from n/a through 4.18.2.

## Affected

- `newsletters-lite <= 4.18.2`

## Remediation

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