CVE-2025-39349 CRITICAL

CVE-2025-39349: WordPress CiyaShop theme <= 4.18.0 - PHP Object Injection vulnerability

Vendor Potenzaglobalsolutions
Product CiyaShop
Weakness CWE-502 · Unsafe deserialization
Published May 19, 2025
Last update April 28, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in Potenzaglobalsolutions CiyaShop ciyashop allows Object Injection.This issue affects CiyaShop: from n/a through <= 4.18.0.

Explanation of Vulnerability in Simple Terms

02Summary

CiyaShop versions up to 4.18.0 contain a deserialization vulnerability that allows unauthenticated attackers to run arbitrary code on the site without user interaction. The vulnerability exists in how the application processes untrusted serialized data. An attacker can exploit this remotely over the network to gain full control of the site, including reading sensitive data, modifying content, and disrupting service.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the site and gain full control without authentication.

Potential impact on your site

04Site Impact

Complete site compromise: attackers can steal data, modify content, install malware, or take the site offline.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

May 19, 2025 CVE published
April 28, 2026 Record updated