CVE-2026-42731 CRITICAL

CVE-2026-42731: WordPress miniorange otp verification plugin <= 5.4.9 - Privilege Escalation vulnerability

Vendor Miniorange
Product miniorange otp verification
Weakness CWE-266
Published May 27, 2026
Last update May 27, 2026

CVSS base score

9.8/10
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 miniOrange miniorange otp verification miniorange-otp-verification allows Privilege Escalation.This issue affects miniorange otp verification: from n/a through <= 5.4.9.

Explanation of Vulnerability in Simple Terms

02Summary

miniOrange OTP Verification versions 5.4.9 and earlier contain a critical vulnerability allowing unauthenticated attackers to read sensitive data, modify site content, or disrupt service availability. The flaw requires no user interaction and can be exploited remotely over the network. All installations should update immediately.

What an attacker can do

03Attacker Capabilities

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

Potential impact on your site

04Site Impact

Attackers can access user data, alter site functionality, or take the site offline without needing valid credentials.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

May 27, 2026 CVE published
May 27, 2026 Record updated

Related vulnerabilities

08Related CVE