CVE-2006-0569 in Papoo
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in user_class.php in Papoo 2.1.4 and earlier allows remote attackers to inject arbitrary web script or HTML via the username field during the registration of a new account. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 07/18/2018
The vulnerability identified as CVE-2006-0569 represents a critical cross-site scripting flaw located within the user_class.php file of Papoo content management system versions 2.1.4 and earlier. This vulnerability specifically targets the username field during the account registration process, creating a pathway for remote attackers to execute malicious web scripts or HTML code within the context of other users' browsers. The issue stems from inadequate input validation and output sanitization mechanisms that fail to properly escape or filter user-supplied data before it is processed and stored within the application's database.
The technical exploitation of this vulnerability occurs when an attacker registers a new account using a malicious username containing embedded script code. When the vulnerable application displays this username in web pages or user interfaces without proper sanitization, the injected JavaScript code executes in the browser context of other users who view the affected content. This creates a persistent XSS vector that can be leveraged for session hijacking, credential theft, or redirection to malicious websites. The vulnerability maps to CWE-79 - Improper Neutralization of Input During Web Page Generation, which specifically addresses the failure to sanitize user input that gets rendered in web pages. This weakness falls under the broader category of web application security flaws that compromise the integrity of user sessions and data confidentiality.
The operational impact of this vulnerability extends beyond simple script injection, as it enables attackers to manipulate user experiences and potentially gain unauthorized access to sensitive information. Attackers can craft malicious usernames that redirect users to phishing sites, steal session cookies, or inject malicious code that persists across multiple user sessions. The vulnerability affects the core user management functionality of Papoo, potentially compromising the entire user base that relies on the system for content management and user interaction. This type of vulnerability aligns with ATT&CK technique T1531 - Account Access Removal, as it can be used to compromise user accounts and gain unauthorized access to system resources. The persistence of the vulnerability in older versions of Papoo indicates a failure in input validation practices that should have been addressed through proper security code reviews and testing protocols.
Mitigation strategies for CVE-2006-0569 require immediate attention through software updates and implementation of robust input sanitization measures. Organizations using affected Papoo versions should upgrade to patched releases that address the XSS vulnerability in user_class.php. Additionally, administrators should implement comprehensive input validation that filters or escapes special characters in user-supplied data, particularly in registration forms. The implementation of Content Security Policy headers can provide an additional layer of protection against XSS attacks by restricting the sources from which scripts can be loaded. Regular security audits and code reviews should be conducted to identify similar vulnerabilities in other application components, as the vulnerability demonstrates the importance of consistent security practices throughout the software development lifecycle. Network monitoring should also be enhanced to detect suspicious registration patterns that may indicate attempted exploitation of the vulnerability.