---
id: CVE-2026-83555
title: >-
  The Email Subscribers & Newsletters  WordPress plugin before 5.9.35 does not
  verify the per-subscriber management token before changing a subscriber's
  subscription status, allowing unauthenticated users to force-unsubscribe or
  force-conf…
summary: >-
  The Email Subscribers & Newsletters  WordPress plugin before 5.9.35 does not
  verify the per-subscriber management token before changing a subscriber's
  subscription status, allowing unauthenticated users to force-unsubscribe or
  force-conf…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-862
product: Email Subscribers & Newsletters
affected:
  - email_subscribers_newsletters < 5.9.35
published: '2026-09-23'
updated: '2026-09-23'
sourceUpdated: '2026-09-23T18:13:31.210'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-83555'
references:
  - url: 'https://wpscan.com/vulnerability/54cb2a98-7860-40dd-817e-1294317084aa/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
epss: 0.00221
epssPercentile: 0.11314
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-23T10:47:18.250423Z'
ingestedAt: '2026-09-23T06:17:57.888Z'
---

## Overview

The Email Subscribers & Newsletters  WordPress plugin before 5.9.35 does not verify the per-subscriber management token before changing a subscriber's subscription status, allowing unauthenticated users to force-unsubscribe or force-confirm an arbitrary subscriber whose email address they know.

## Remediation

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