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ThemeREX Equestrian Centre CVE-2026-22474

CRITICAL
Deserialization of Untrusted Data (CWE-502)
2026-03-05 audit@patchstack.com
9.8
CVSS 3.1 · NVD
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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

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
CRITICAL 9.8

DescriptionCVE.org

Deserialization of Untrusted Data vulnerability in ThemeREX Equestrian Centre equestrian-centre allows Object Injection.This issue affects Equestrian Centre: from n/a through <= 1.5.

AnalysisAI

Deserialization of untrusted data in Equestrian Centre (equestrian-centre) 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 object to plugin
Exploit
Trigger unsafe deserialization in ThemeREX Equestrian Centre
Impact
Achieve arbitrary code execution with site privileges

Vulnerability AssessmentAI

Exploitation ThemeREX Equestrian Centre plugin version <= 1.5 installed and activated. … 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 equestrian-centre 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: Inventory all systems running ThemeREX Equestrian Centre and isolate affected instances from production networks if possible; establish 24/7 monitoring for exploitation attempts. …

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

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CVE-2026-22474 vulnerability details – vuln.today

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