CVE-2026-23550 CRITICAL

CVE-2026-23550: WordPress Modular DS plugin <= 2.5.1 - Privilege Escalation vulnerability

Vendor Modular Ds
Product Modular DS
Weakness CWE-266
Published January 14, 2026
Last update April 28, 2026

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Incorrect Privilege Assignment vulnerability in Modular DS Modular DS modular-connector allows Privilege Escalation.This issue affects Modular DS: from n/a through <= 2.5.1.

Explanation of Vulnerability in Simple Terms

02Summary

Modular DS versions 2.5.1 and earlier contain a critical vulnerability that allows unauthenticated attackers to read sensitive data, modify content, and disrupt service availability over the network without user interaction. The vulnerability stems from improper privilege controls (CWE-266) that fail to enforce authorization checks. No patch version has been publicly identified.

What an attacker can do

03Attacker Capabilities

Read sensitive data, modify or delete content, and disrupt service availability without authentication.

Potential impact on your site

04Site Impact

Complete compromise of confidentiality, integrity, and availability; attackers can access all data and disable the service.

Conditions required to exploit

05Prerequisites

Network access only; no authentication, special configuration, or user interaction required.

Key dates

06Disclosure timeline

January 14, 2026 CVE published
April 28, 2026 Record updated