CVE-2025-28881 in Mobile Themes
Summary
by MITRE • 03/11/2025
Cross-Site Request Forgery (CSRF) vulnerability in mg12 Mobile Themes allows Cross Site Request Forgery. This issue affects Mobile Themes: from n/a through 1.1.1.
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Analysis
by VulDB Data Team • 03/12/2025
The CVE-2025-28881 vulnerability represents a critical cross-site request forgery flaw within the mg12 Mobile Themes plugin, a widely used WordPress theme framework that enables mobile-responsive website design. This CSRF vulnerability exists in versions ranging from the initial release through 1.1.1, indicating a persistent security gap that has affected multiple iterations of the plugin. The vulnerability stems from the plugin's failure to implement proper anti-CSRF mechanisms when processing administrative requests, creating a significant attack surface for malicious actors who can manipulate user sessions and execute unauthorized actions.
The technical implementation of this CSRF vulnerability occurs when the mg12 Mobile Themes plugin processes administrative operations without validating the origin of requests or verifying the authenticity of user intentions. Attackers can craft malicious web pages or emails that, when visited by authenticated administrators, automatically submit requests to the vulnerable plugin's endpoints. This flaw directly maps to CWE-352, which defines Cross-Site Request Forgery as a weakness where a malicious website can cause an authenticated user to perform actions they did not intend to execute. The vulnerability is particularly concerning because it operates at the application level, bypassing traditional browser security measures that typically protect against such attacks.
The operational impact of this vulnerability extends beyond simple data manipulation or theft, as it allows attackers to potentially gain complete administrative control over affected WordPress installations. An attacker could leverage this CSRF flaw to modify theme settings, upload malicious files, change user permissions, or even execute arbitrary code within the context of the administrator's session. This represents a serious threat to website integrity and security, especially considering that mobile themes plugins often have extensive access to core WordPress functionality and user data management features. The vulnerability's presence in multiple versions suggests that organizations running affected installations may have been exposed for extended periods without detection.
Mitigation strategies for CVE-2025-28881 should prioritize immediate plugin updates to versions that have addressed the CSRF implementation gaps, following the principle of least privilege by ensuring that only authorized personnel have administrative access to WordPress installations. Organizations should implement additional security layers including web application firewalls, regular security audits, and monitoring for unauthorized administrative activities. The vulnerability also highlights the importance of proper input validation and request origin verification, which aligns with ATT&CK technique T1078.004 for Valid Accounts and T1566.001 for Phishing. Security teams should also consider implementing Content Security Policy headers and ensuring that all administrative interfaces require proper authentication tokens that are validated on every request to prevent unauthorized operations.