---
id: CVE-2026-17522
title: >-
  The Newsletters WordPress plugin before 4.17 does not perform any nonce or
  capability check when saving one of its settings screens, and writes every
  submitted parameter into its own options, allowing attackers to make a logged
  in admini…
summary: >-
  The Newsletters WordPress plugin before 4.17 does not perform any nonce or
  capability check when saving one of its settings screens, and writes every
  submitted parameter into its own options, allowing attackers to make a logged
  in admini…
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L'
cwe:
  - CWE-352
published: '2026-08-29'
updated: '2026-08-30'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-17522'
references:
  - url: 'https://wpscan.com/vulnerability/ebb8d4b7-14b5-49ed-b727-129123d6ce45/'
    label: contact@wpscan.com
tags:
  - nvd
epss: 0.00095
epssPercentile: 0.00761
ingestedAt: '2026-08-30T07:49:06.887Z'
---

## Overview

The Newsletters WordPress plugin before 4.17 does not perform any nonce or capability check when saving one of its settings screens, and writes every submitted parameter into its own options, allowing attackers to make a logged in administrator overwrite arbitrary Newsletters WordPress plugin before 4.17 settings, including the credential protecting its API, via a Cross-Site Request Forgery attack.

## Remediation

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