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AivahThemes Car Zone CVE-2026-27338

HIGH
Deserialization of Untrusted Data (CWE-502)
2026-03-05 audit@patchstack.com
Deserialization
8.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
8.8 HIGH
AV:N/AC:L/PR:L/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:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
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
HIGH 8.8

DescriptionCVE.org

Deserialization of Untrusted Data vulnerability in AivahThemes Car Zone carzone allows Object Injection.This issue affects Car Zone: from n/a through <= 3.7.

AnalysisAI

Object injection through unsafe deserialization in AivahThemes Car Zone up to version 3.7 allows authenticated attackers to execute arbitrary code with network access and no user interaction required. With a CVSS score of 8.8 indicating high severity, this vulnerability poses a significant risk to affected installations, though no patch is currently available. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate to Car Zone plugin
Exploit
Send malicious serialized object in request
Execution
Trigger PHP deserialization
Impact
Execute arbitrary code with WordPress privileges
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Vulnerability AssessmentAI

Exploitation Valid WordPress user account required. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 8.8 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker could exploit this vulnerability to compromise the affected system.
Remediation Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Identify all Car Zone installations and their versions; isolate affected systems from production networks if possible and document business justification for any systems remaining connected. …

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CVE-2026-27338 vulnerability details – vuln.today
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