CVE-2026-42682 CRITICAL

CVE-2026-42682: WordPress wpForo Forum plugin <= 3.0.6 - Broken Access Control vulnerability

Vendor Tomdever
Product wpForo Forum
Weakness CWE-862 · Missing authorization
Published June 1, 2026
Last update June 1, 2026
View on NVD All CVEs

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in Tomdever wpForo Forum allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects wpForo Forum: from n/a through 3.0.6.

Explanation of Vulnerability in Simple Terms

02Summary

wpForo Forum versions up to 3.0.6 lack proper authorization checks, allowing unauthenticated attackers to modify forum data and disrupt service. The vulnerability requires no special access or user interaction. Site administrators should update to a version newer than 3.0.6 immediately.

What an attacker can do

03Attacker Capabilities

Modify forum content and disrupt service without logging in.

Potential impact on your site

04Site Impact

Forum data can be altered or deleted by anyone; service availability may be compromised.

Conditions required to exploit

05Prerequisites

Network access to the forum; no authentication or user interaction required.

Key dates

06Disclosure timeline

June 1, 2026 CVE published
June 1, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-12349 Premium Addons for KingComposer <= 1.1.1 - Missing Authorization to Unauthenticated Arbitrary Custom Sidebar Creation and Deletion via 'add_custom_sidebar' and 'remove_custom_sidebar' AJAX actions CVE-2026-27433 WordPress Motors theme <= 5.6.80 - Broken Access Control vulnerability CVE-2025-69134 WordPress OpenAI Chatbot for WordPress – Helper plugin <= 1.1.4 - Arbitrary Content Deletion vulnerability CVE-2026-12133 JoomSport <= 5.7.8 - Authenticated (Subscriber+) Missing Authorization to Arbitrary Group Deletion via season_groupdel AJAX action CVE-2026-27435 WordPress Woffice theme < 5.4.33 - Broken Access Control vulnerability