CVE-2026-23542 CRITICAL

CVE-2026-23542: WordPress Grand Restaurant theme <= 7.0.10 - PHP Object Injection vulnerability

Vendor Themegoods
Product Grand Restaurant
Weakness CWE-502 · Unsafe deserialization
Published February 19, 2026
Last update April 28, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Restaurant grandrestaurant allows Object Injection.This issue affects Grand Restaurant: from n/a through <= 7.0.10.

Explanation of Vulnerability in Simple Terms

02Summary

Grand Restaurant versions up to 7.0.10 contain a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary code on the site without user interaction. The vulnerability stems from unsafe handling of serialized data, enabling remote code execution through network requests. Site administrators should update immediately to a patched version.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the site and take full control of it.

Potential impact on your site

04Site Impact

Complete compromise of the site, including data theft, malware injection, and loss of availability.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

February 19, 2026 CVE published
April 28, 2026 Record updated