CVE-2026-28191 HIGH

CVE-2026-28191: WordPress The Grid plugin <= 2.7.9.1 - Privilege Escalation vulnerability

Vendor Theme-One Inc.
Product The Grid
Weakness CWE-266
Published August 18, 2026
Last update August 18, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Subscriber Privilege Escalation in The Grid <= 2.7.9.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

The Grid through version 2.7.9.1 assigns excessive privileges to authenticated users, allowing them to read, modify, or delete sensitive data and disrupt site operations. An attacker with a low-privilege account can escalate their access without additional user interaction. Site administrators should update immediately to a version newer than 2.7.9.1.

What an attacker can do

03Attacker Capabilities

Read, modify, or delete sensitive data; disrupt site availability with a low-privilege account.

Potential impact on your site

04Site Impact

Unauthorized data access, modification, or deletion; potential site downtime if availability is compromised.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

August 18, 2026 CVE published
August 18, 2026 Record updated