---
id: CVE-2026-81783
title: >-
  Subscriber Broken Authentication in MailMunch – Grow your Email List <= 3.2.5
  versions.
summary: >-
  Subscriber Broken Authentication in MailMunch – Grow your Email List <= 3.2.5
  versions.
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H'
cwe:
  - CWE-288
vendor: mailmunch
product: mailmunch
affected:
  - mailmunch >= n/a <= 3.2.5
published: '2026-09-10'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T15:43:28.913'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-81783'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/mailmunch/vulnerability/wordpress-mailmunch-grow-your-email-list-plugin-3-2-5-broken-authentication-vulnerability?_s_id=cve
    label: audit@patchstack.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-10T14:56:03.630385Z'
ingestedAt: '2026-09-10T14:51:56.265Z'
epss: 0.00402
epssPercentile: 0.31688
---

## Overview

Subscriber Broken Authentication in MailMunch – Grow your Email List <= 3.2.5 versions.

## Remediation

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