CVE-2026-28105 CRITICAL

CVE-2026-28105: WordPress Good Energy theme <= 1.7.7 - PHP Object Injection vulnerability

Vendor Themerex
Product Good Energy
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 Good Energy goodenergy allows Object Injection.This issue affects Good Energy: from n/a through <= 1.7.7.

Explanation of Vulnerability in Simple Terms

02Summary

Good Energy versions 1.7.7 and earlier 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. All versions up to 1.7.7 are affected.

What an attacker can do

03Attacker Capabilities

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

Potential impact on your site

04Site Impact

Complete site compromise: attackers can steal data, modify content, install malware, or take the site offline.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

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