What is the CVSS score of CVE-2026-22474?

CVE-2026-22474 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 Equestrian Centre are affected by CVE-2026-22474?

A critical remote code execution vulnerability (CVE-2026-22474) affects ThemeREX Equestrian Centre installations, allowing unauthenticated attackers to execute arbitrary code with a 9.8 CVSS score.

How to fix or mitigate CVE-2026-22474?

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. Within 7 days: Implement WAF rules to block malicious deserialization payloads; apply network segmentation to restrict access to the application; disable the affected serialization feature if operationally feasible. Within 30 days: Contact ThemeREX for patch availability and timeline; evaluate alternative solutions; develop incident response procedures specific to this vulnerability.

ThemeREX Equestrian Centre CVE-2026-22474

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 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.

Technical ContextAI

CWE-502 deserialization of untrusted data in equestrian-centre. Attacker-controlled data is passed to unserialize(), enabling instantiation of arbitrary PHP objects.