Cyber Posture

CVE-2025-53586

High

Published: 06 November 2025

Published
06 November 2025
Modified
27 April 2026
KEV Added
Patch
CVSS Score 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0012 30.3th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Description

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

Security Summary

CVE-2025-53586 is a Deserialization of Untrusted Data vulnerability (CWE-502) in the NooTheme WeMusic WordPress theme (noo-wemusic), which allows Object Injection. This issue affects the theme from unknown initial versions through version 1.9.1.

The vulnerability carries a CVSS v3.1 base score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). Low-privileged authenticated users, such as standard WordPress contributors, can exploit it over the network with low complexity and no user interaction, achieving high impacts on confidentiality, integrity, and availability through object injection.

Patchstack documents this PHP Object Injection vulnerability in their database entry for the WordPress WeMusic theme version 1.9.1, available at https://patchstack.com/database/Wordpress/Theme/noo-wemusic/vulnerability/wordpress-wemusic-theme-1-9-1-php-object-injection-vulnerability?_s_id=cve.

Details

CWE(s)
CWE-502

MITRE ATT&CK Enterprise Techniques

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.
Why these techniques?

The vulnerability is a critical deserialization flaw (CWE-502) in a public-facing WordPress theme, enabling unauthenticated remote object injection and site compromise, directly mapping to exploitation of public-facing applications.

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

References