CVE-2018-10391 in WUZHI
Summary
by MITRE
An issue was discovered in WUZHI CMS 4.1.0. There is XSS via the email parameter to the index.php?m=member&v=register URI.
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Analysis
by VulDB Data Team • 05/05/2025
The vulnerability identified as CVE-2018-10391 represents a cross-site scripting flaw within WUZHI CMS version 4.1.0 that specifically targets the member registration functionality. This issue occurs when the application fails to properly sanitize user input received through the email parameter in the index.php?m=member&v=register URI. The flaw allows malicious actors to inject arbitrary JavaScript code into the registration process, potentially compromising user sessions and enabling unauthorized access to sensitive data.
This vulnerability falls under CWE-79 which specifically addresses Cross-Site Scripting flaws in web applications. The technical implementation of this vulnerability stems from insufficient input validation and output encoding mechanisms within the CMS's member registration module. When users submit registration requests containing malicious payloads in the email field, the application processes these inputs without adequate sanitization, creating an exploitable vector for attackers to execute scripts in the context of other users' browsers.
The operational impact of this vulnerability extends beyond simple script execution, as it can be leveraged for session hijacking, credential theft, and potential privilege escalation within the CMS. Attackers can craft malicious email addresses containing JavaScript payloads that execute when the page renders, potentially stealing cookies, redirecting users to malicious sites, or performing actions on behalf of authenticated users. The vulnerability affects the entire user base of the CMS, particularly those who register through the affected endpoint, making it a significant concern for organizations relying on this content management system.
Mitigation strategies for CVE-2018-10391 should focus on immediate input validation and output encoding implementations. Organizations must ensure that all user-supplied data, particularly in registration forms, undergoes strict sanitization before being processed or stored. The recommended approach includes implementing proper HTML entity encoding for all output, utilizing Content Security Policy headers, and applying input validation that rejects or removes potentially malicious characters from email addresses. Additionally, this vulnerability aligns with ATT&CK technique T1531 which covers the use of malicious inputs to compromise web applications, emphasizing the need for robust input filtering mechanisms. System administrators should also consider implementing web application firewalls to detect and block suspicious payloads targeting this specific vulnerability pattern.