CVE-2025-3455 HIGH

CVE-2025-3455: 1 Click WordPress Migration Plugin – 100% FREE for a limited time <= 2.2 - Missing Authorization to Authenticated (Subscriber+) Arbitrary File Upload

Vendor 1Clickmigration
Product 1 Click Migration & Backup: Free WordPress Migration Plugin with Zero Downtime & Easy Clone
Weakness CWE-434 · Unrestricted file upload
Published May 9, 2025
Last update April 8, 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

The 1 Click WordPress Migration Plugin – 100% FREE for a limited time plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'start_restore' function in all versions up to, and including, 2.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Explanation of Vulnerability in Simple Terms

02Summary

The 1 Click Migration & Backup plugin for WordPress allows authenticated users to upload files without proper validation. An attacker with a low-privilege account can upload malicious files, including PHP code, to execute arbitrary commands on the site. This affects all versions up to 2.2.

What an attacker can do

03Attacker Capabilities

Upload and execute malicious files (including PHP code) on the WordPress site.

Potential impact on your site

04Site Impact

Compromised site with full control; attacker can read/modify data, install backdoors, or deface content.

Conditions required to exploit

05Prerequisites

Attacker needs a low-privilege WordPress account (subscriber or higher).

Key dates

06Disclosure timeline

May 9, 2025 CVE published
April 8, 2026 Record updated