CVE-2025-3563 in WuzhiCMS
Summary
by MITRE • 04/14/2025
A vulnerability was found in WuzhiCMS 4.1. It has been rated as critical. Affected by this issue is the function Set of the file /index.php?m=attachment&f=index&_su=wuzhicms&v=set&submit=1 of the component Setting Handler. The manipulation of the argument Setting leads to code injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 05/30/2026
This critical vulnerability in WuzhiCMS 4.1 represents a severe code injection flaw within the Setting Handler component that exposes the system to remote exploitation. The vulnerability exists in the Set function of the /index.php?m=attachment&f=index&_su=wuzhicms&v=set&submit=1 endpoint, where improper input validation allows attackers to manipulate the Setting argument to inject malicious code. The flaw specifically resides in how the application processes user-supplied parameters without adequate sanitization or validation mechanisms, creating an avenue for arbitrary code execution.
The technical implementation of this vulnerability aligns with CWE-94, which describes improper control of generation of code, commonly known as code injection vulnerabilities. This weakness occurs when an application incorporates untrusted data into executable code without proper validation, allowing attackers to execute malicious commands on the target system. The remote attack vector means that adversaries can exploit this vulnerability without requiring physical access or local privileges, making it particularly dangerous for web applications. The public disclosure of the exploit further amplifies the risk, as it provides attackers with ready-made tools and techniques to compromise affected systems.
The operational impact of this vulnerability extends beyond simple code execution, potentially allowing attackers to gain full control over the web server hosting WuzhiCMS 4.1 installations. Once exploited, attackers could access sensitive data, modify content, install backdoors, or use the compromised server as a launching point for further attacks within the network. The lack of vendor response to early disclosure attempts compounds the severity, leaving users without official patches or mitigation guidance during the critical period when the vulnerability is actively exploited in the wild. Organizations running this version of WuzhiCMS face significant risk of data breaches, service disruption, and potential regulatory compliance violations.
Mitigation strategies should prioritize immediate action including disabling the vulnerable endpoint if possible, implementing web application firewalls to filter malicious requests, and applying any available vendor patches or updates. Organizations should also conduct comprehensive security assessments to identify other potential vulnerabilities in their WuzhiCMS installations and consider implementing network segmentation to limit the impact of potential compromises. The vulnerability demonstrates the importance of timely security patch management and proper input validation practices, aligning with ATT&CK technique T1059.007 for command and script injection, which emphasizes the need for robust application security controls to prevent unauthorized code execution.