CVE-2026-39574 CRITICAL

CVE-2026-39574: WordPress InPost Gallery plugin <= 2.1.4.6 - SQL Injection vulnerability

Vendor Realmag777
Product InPost Gallery
Weakness CWE-89 · SQLi
Published June 16, 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 InPost Gallery <= 2.1.4.6 versions.

Explanation of Vulnerability in Simple Terms

02Summary

InPost Gallery versions up to 2.1.4.6 contain a SQL injection vulnerability that allows unauthenticated attackers to read sensitive data from the database and cause service disruptions. The vulnerability requires no user interaction and can be exploited over the network. An attacker can extract database contents including user credentials and configuration data.

What an attacker can do

03Attacker Capabilities

Read sensitive data from the site's database and cause the site to become slow or unresponsive.

Potential impact on your site

04Site Impact

Attackers can steal user data, passwords, and site configuration without any warning or user action.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

June 16, 2026 CVE published