Cyber Resilience

CVE-2025-69404

CriticalRCE

Published: 20 February 2026

Published
20 February 2026
Modified
15 April 2026
KEV Added
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Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0037 29.2th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2025-69404 is a critical-severity Deserialization of Untrusted Data (CWE-502) vulnerability. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 29.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2025-69404 is a Deserialization of Untrusted Data vulnerability (CWE-502) in the ThemeREX Extreme Store (extremestore) WordPress theme, which allows Object Injection. This issue affects Extreme Store versions from n/a through 1.5.10.

The vulnerability carries a CVSS v3.1 base score of 9.8 (Critical), with a vector of AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Remote attackers require no privileges or user interaction and can exploit it over the network with low attack complexity, potentially achieving high impacts on confidentiality, integrity, and availability through object injection.

Patchstack advisories detail the vulnerability, as documented at https://patchstack.com/database/Wordpress/Theme/extremestore/vulnerability/wordpress-extreme-store-theme-1-5-7-php-object-injection-vulnerability?_s_id=cve, which specifically references the issue in Extreme Store theme version 1.5.7. Security practitioners should consult this reference for mitigation recommendations and available patches.

OWASP Top 10 for Web (2025)

A08:2025 Software or Data Integrity Failures

EU & UK References

Vulnerability details

Deserialization of Untrusted Data vulnerability in ThemeREX Extreme Store extremestore allows Object Injection.This issue affects Extreme Store: from n/a through <= 1.5.10.

CWE(s)
CWE-502

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
Why these techniques?

Direct remote exploitation of public-facing WordPress application via unauthenticated deserialization/object injection (CWE-502) over the network.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

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CVE-2025-7697Shared CWE-502

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-2 Flaw Remediation good match
prevent

Requires timely flaw remediation, such as patching the deserialization of untrusted data vulnerability in Extreme Store WordPress theme versions through 1.5.10.

SI-10 Information Input Validation good match
prevent

Enforces validation of untrusted inputs at system entry points, directly preventing object injection via unsafe deserialization (CWE-502).

RA-5 Vulnerability Monitoring and Scanning partial match
detect

Vulnerability scanning identifies the critical deserialization vulnerability in the Extreme Store theme for subsequent remediation.

References