CVE-2026-25402 MEDIUM

CVE-2026-25402: WordPress Knowledge Base for Documentation, FAQs with AI Assistance plugin <= 16.011.0 - Broken Access Control vulnerability

Vendor Echoplugins
Product Knowledge Base for Documentation, FAQs with AI Assistance
Weakness CWE-862 · Missing authorization
Published February 19, 2026
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 Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in echoplugins Knowledge Base for Documentation, FAQs with AI Assistance echo-knowledge-base allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Knowledge Base for Documentation, FAQs with AI Assistance: from n/a through <= 16.011.0.

Explanation of Vulnerability in Simple Terms

02Summary

The Knowledge Base for Documentation, FAQs with AI Assistance plugin for WordPress contains an authorization flaw that allows authenticated users to modify content they should not have access to. An attacker with a low-privilege account can change data without proper permission checks. The vulnerability affects versions up to 16.011.0 and requires a valid user login to exploit.

What an attacker can do

03Attacker Capabilities

Modify or alter knowledge base content and documentation without proper authorization.

Potential impact on your site

04Site Impact

Unauthorized users can alter your knowledge base, FAQs, and documentation, potentially spreading misinformation or disrupting site content.

Conditions required to exploit

05Prerequisites

Attacker must have a valid low-privilege user account on the site.

Key dates

06Disclosure timeline

February 19, 2026 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE