What is the CVSS score of CVE-2026-28105?

CVE-2026-28105 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of ThemeREX Good Energy are 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…

How to fix or mitigate 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.

ThemeREX Good Energy CVE-2026-28105

CRITICAL

Deserialization of Untrusted Data (CWE-502)

2026-03-05 audit@patchstack.com

Deserialization

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Re-analysis Queued

Apr 22, 2026 - 21:37 vuln.today

cvss_changed

Analysis Generated

Mar 12, 2026 - 22:06 vuln.today

CVE Published

Mar 05, 2026 - 06:16 nvd

CRITICAL 9.8

DescriptionCVE.org

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.

AnalysisAI

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

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Send malicious serialized PHP object

Exploit

WordPress deserializes untrusted data

Execution

Instantiate arbitrary class

Impact

Execute remote code

Access

Send malicious serialized PHP object

Exploit

WordPress deserializes untrusted data

Execution

Instantiate arbitrary class

Impact

Execute remote code

Vulnerability AssessmentAI

Exploitation	Good Energy theme version <= 1.7.7 installed and active on WordPress; no authentication required; vulnerable deserialization function processes user-controlled input without validation. Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	CVSS 9.8. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	Attacker submits serialized PHP payload through goodenergy theme, triggering Object Injection that chains to file write or code execution via available POP gadgets.
Remediation	Update the theme. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

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. …

Threat intelligence, references, and detailed analysis are available after sign-in.

CVE-2026-28105 vulnerability details – vuln.today

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ThemeREX Good Energy CVE-2026-28105

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Unlock full vulnerability intelligence

Attack ChainAIDerived

Vulnerability AssessmentAI

Recommended ActionAI

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External POC / Exploit Code