Is Deserialization affected by CVE-2026-28105?

A critical deserialization vulnerability (CVE-2026-28105, CVSS 9.8) in ThemeREX Good Energy plugin versions up to 1.7.7 allows attackers to inject malicious objects and execute arbitrary code on affected websites.

CVE-2026-28105

Q: How to fix CVE-2026-28105?

Within 24 hours: Identify all instances of Good Energy plugin in your environment and isolate affected systems or disable the plugin if business operations permit. Within 7 days: Contact ThemeREX for patch availability and timeline; implement WAF rules to block serialized object payloads targeting the vulnerable component; apply input validation and disable PHP object deserialization where possible. Within 30 days: Deploy patch immediately upon availability or migrate to an alternative plugin; conduct forensic analysis for evidence of exploitation; review access logs for suspicious activity dating back 90 days.

CRITICAL

2026-03-05 [email protected]

9.8

CVSS 3.1

CVSS Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:06 vuln.today

CVE Published

Mar 05, 2026 - 06:16 nvd

CRITICAL 9.8

Description

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.

Analysis

Deserialization of untrusted data in Good Energy (goodenergy) WordPress theme allows PHP Object Injection, potentially enabling remote code execution through POP chains.

Remediation

Within 24 hours: Identify all instances of Good Energy plugin in your environment and isolate affected systems or disable the plugin if business operations permit. Within 7 days: Contact ThemeREX for patch availability and timeline; implement WAF rules to block serialized object payloads targeting the vulnerable component; apply input validation and disable PHP object deserialization where possible. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +49

POC: 0

CVE-2026-28105 vulnerability details – vuln.today

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CVE-2026-28105

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CVE-2026-28105

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