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Home / Vulnerability Intelligence / CVE-2025-54001

CVE-2025-54001 - Vulnerability Analysis

CriticalCVSS: 9.8

Last Updated: March 5, 2026

ThemeREX Classter - Insecure Deserialization

Published: March 5, 2026Updated: March 5, 2026Remote Exploitable

Overview

ThemeREX Classter <= 2.5 contains an insecure deserialization vulnerability caused by deserialization of untrusted data, letting attackers perform object injection remotely, exploit requires no special privileges.

Severity & Score

Severity: Critical
CVSS Score: 9.8

Impact

Attackers can execute arbitrary code or commands remotely by exploiting insecure deserialization.

Mitigation

Update to the latest version beyond 2.5.

Details

CVE ID
CVE-2025-54001
Severity
Critical
CVSS Score
9.8
Type
insecure_deserialization
Status
new

CWE

  • CWE-502

CVSS Metrics

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