CVE-2026-40771 CRITICAL

CVE-2026-40771: WordPress Contest Gallery plugin <= 28.1.6 - SQL Injection vulnerability

Vendor Wasiliy Strecker
Product Contest Gallery
Weakness CWE-89 · SQLi
Published June 15, 2026
Last update June 16, 2026

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 Contest Gallery <= 28.1.6 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Contest Gallery versions up to 28.1.6 contain a SQL injection vulnerability that allows unauthenticated attackers to read sensitive database information without user interaction. The vulnerability affects the application's query handling, enabling attackers to extract data such as user credentials and configuration details. Immediate patching is required.

What an attacker can do

03Attacker Capabilities

Read sensitive data from the site's database, including user information and configuration details.

Potential impact on your site

04Site Impact

Attackers can extract user credentials, email addresses, and other sensitive database records without logging in.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

June 15, 2026 CVE published
June 16, 2026 Record updated