CVE-2025-53303 HIGH

CVE-2025-53303: WordPress ThemeMove Core Plugin <= 1.4.2 - PHP Object Injection Vulnerability

Vendor Thememove
Product ThemeMove Core
Weakness CWE-502 · Unsafe deserialization
Published September 9, 2025
Last update April 28, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in ThemeMove ThemeMove Core thememove-core allows Object Injection.This issue affects ThemeMove Core: from n/a through <= 1.4.2.

Explanation of Vulnerability in Simple Terms

02Summary

ThemeMove Core versions up to 1.4.2 contain a deserialization vulnerability that allows authenticated attackers to execute arbitrary code on the site. The vulnerability exists in how the product processes untrusted serialized data without proper validation. An attacker with low-level site access can exploit this to gain full control over the site's functionality and data.

What an attacker can do

03Attacker Capabilities

Run their own code on the site with full access to read, modify, and delete data.

Potential impact on your site

04Site Impact

Complete site compromise possible; attacker can steal data, modify content, or take the site offline.

Conditions required to exploit

05Prerequisites

Attacker must have a low-level authenticated account on the site; no user interaction required.

Key dates

06Disclosure timeline

September 9, 2025 CVE published
April 28, 2026 Record updated