CVE-2026-40798 CRITICAL

CVE-2026-40798: WordPress wpForo Forum plugin <= 3.0.4 - SQL Injection vulnerability

Vendor Tomdever
Product wpForo Forum
Weakness CWE-89 · SQLi
Published June 15, 2026
Last update June 15, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated SQL Injection in wpForo Forum <= 3.0.4 versions.

Explanation of Vulnerability in Simple Terms

02Summary

wpForo Forum versions up to 3.0.4 contain a SQL injection vulnerability in database query handling. An attacker can craft malicious input to extract sensitive data from the forum database, including user credentials and private messages. No authentication is required. The vulnerability also impacts site availability.

What an attacker can do

03Attacker Capabilities

Extract sensitive data from the forum database without logging in.

Potential impact on your site

04Site Impact

Forum user data, credentials, and private messages can be stolen; site may become unavailable.

Conditions required to exploit

05Prerequisites

Network access to the forum; no authentication required.

Key dates

06Disclosure timeline

June 15, 2026 CVE published

Related vulnerabilities

08Related CVE

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