CVE-2025-54012 HIGH

CVE-2025-54012: WordPress Welcart e-Commerce Plugin <= 2.11.16 - PHP Object Injection Vulnerability

Vendor Info@Welcart
Product Welcart e-Commerce
Weakness CWE-502 · Unsafe deserialization
Published August 20, 2025
Last update April 28, 2026

CVSS base score

7.2/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in info@welcart Welcart e-Commerce usc-e-shop allows Object Injection.This issue affects Welcart e-Commerce: from n/a through <= 2.11.16.

Explanation of Vulnerability in Simple Terms

02Summary

Welcart e-Commerce versions 2.11.16 and earlier are vulnerable to unsafe deserialization of untrusted data. An authenticated administrator can craft malicious serialized objects that execute arbitrary PHP code when processed by the application. This allows complete compromise of the site, including data theft and modification.

What an attacker can do

03Attacker Capabilities

Run arbitrary PHP code on the site and access or modify any data.

Potential impact on your site

04Site Impact

A compromised admin account can fully compromise your site, steal customer data, and modify transactions.

Conditions required to exploit

05Prerequisites

Attacker must have administrator-level access to the Welcart installation.

Key dates

06Disclosure timeline

August 20, 2025 CVE published
April 28, 2026 Record updated