CVE-2026-28074 CRITICAL

CVE-2026-28074: WordPress Pizza House theme <= 1.4.0 - PHP Object Injection vulnerability

Vendor Themerex
Product Pizza House
Weakness CWE-502 · Unsafe deserialization
Published March 5, 2026
Last update April 28, 2026
View on NVD All CVEs

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 ThemeREX Pizza House pizzahouse allows Object Injection.This issue affects Pizza House: from n/a through <= 1.4.0.

Explanation of Vulnerability in Simple Terms

02Summary

Pizza House versions 1.4.0 and earlier contain a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary code on the server. The vulnerability exists because the application deserializes untrusted data without proper validation. An attacker can exploit this remotely without authentication or user interaction to gain full control of the affected site.

What an attacker can do

03Attacker Capabilities

Run their own code on the server, read/modify all site data, and take complete control of the site.

Potential impact on your site

04Site Impact

Complete compromise of the site and server. Attacker can steal data, modify content, install malware, or use the server for attacks.

Conditions required to exploit

05Prerequisites

Network access to the vulnerable application. No authentication or user interaction required.

Key dates

06Disclosure timeline

March 5, 2026 CVE published
April 28, 2026 Record updated