CVE-2025-66525 MEDIUM

CVE-2025-66525: WordPress Elastic Email Sender plugin <= 1.2.20 - Broken Access Control vulnerability

Vendor Elastic Email
Product Elastic Email Sender
Weakness CWE-862 · Missing authorization
Published December 9, 2025
Last update April 28, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

Missing Authorization vulnerability in Elastic Email Elastic Email Sender elastic-email-sender allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Elastic Email Sender: from n/a through <= 1.2.20.

Explanation of Vulnerability in Simple Terms

02Summary

Elastic Email Sender versions up to 1.2.20 lack proper authorization checks, allowing authenticated users with low privileges to disrupt service availability. An attacker with valid credentials can trigger a denial-of-service condition affecting the application's availability. This vulnerability requires valid user authentication and network access but does not compromise data confidentiality or integrity.

What an attacker can do

03Attacker Capabilities

An authenticated user can disrupt service availability by exploiting missing authorization controls.

Potential impact on your site

04Site Impact

Users may experience service interruptions or unavailability caused by authenticated attackers exploiting the authorization gap.

Conditions required to exploit

05Prerequisites

Attacker must have valid user credentials (low-privilege account) and network access to the application.

Key dates

06Disclosure timeline

December 9, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE