CVE-2025-52835 in WING WordPress Migrator Plugin
Summary
by MITRE • 12/30/2025
Cross-Site Request Forgery (CSRF) vulnerability in ConoHa by GMO WING WordPress Migrator allows Upload a Web Shell to a Web Server.This issue affects WING WordPress Migrator: from n/a through 1.1.9.
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Analysis
by VulDB Data Team • 12/30/2025
The CVE-2025-52835 vulnerability represents a critical cross-site request forgery flaw within the ConoHa by GMO WING WordPress Migrator plugin, specifically impacting versions ranging from an unspecified initial state through 1.1.9. This vulnerability resides in the plugin's handling of user authentication tokens and request validation mechanisms, creating a pathway for unauthorized attackers to manipulate the WordPress migration process. The flaw allows malicious actors to craft forged requests that appear legitimate to the server, bypassing standard security controls designed to prevent unauthorized modifications to the web application environment.
The technical implementation of this CSRF vulnerability stems from insufficient validation of request origins and missing anti-forgery tokens within the plugin's file upload and migration functions. When users access the WordPress admin interface to perform migration operations, the plugin fails to properly verify that requests originate from authenticated administrators or contain valid session tokens. This weakness enables attackers to construct malicious requests that leverage the privileges of authenticated users, particularly when those users are performing routine administrative tasks such as uploading migration files or executing server-side operations.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it directly enables remote code execution through web shell upload capabilities. Attackers can exploit the CSRF flaw to upload malicious PHP files that function as web shells, providing persistent access to the compromised server environment. This represents a severe escalation from typical CSRF vulnerabilities, as the attack vector transforms from simple data manipulation to full server compromise. The vulnerability affects the entire WordPress ecosystem where the plugin is installed, potentially allowing attackers to exfiltrate sensitive data, modify website content, or establish backdoor access for ongoing compromise.
Security practitioners should recognize this vulnerability as a variant of CWE-352, which specifically addresses cross-site request forgery conditions in web applications. The ATT&CK framework categorizes this issue under T1190 - Exploit Public-Facing Application, as it represents a common attack pattern where external threat actors leverage web application weaknesses to gain unauthorized access. Additionally, the vulnerability demonstrates characteristics of T1078 - Valid Accounts, since it leverages legitimate administrative sessions to execute malicious operations. The exploitation process typically requires minimal user interaction, as the attack can be executed through social engineering or automated tools that generate forged requests based on the target's current authenticated session.
Mitigation strategies should focus on immediate plugin updates to versions that address the CSRF token validation deficiencies and implement proper request origin verification. Organizations must also deploy web application firewalls with CSRF protection capabilities and consider implementing additional security layers such as two-factor authentication for administrative accounts. Network segmentation and regular security audits of WordPress plugins can help identify similar vulnerabilities in other components of the web application stack. The vulnerability highlights the critical importance of maintaining up-to-date security controls and the necessity of thorough security testing for all web application components, particularly those handling file uploads and administrative functions.