CVE-2010-4513 in Zimplit
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Zimplit CMS 3.0, and possibly earlier, allow remote attackers to inject arbitrary web script or HTML via the (1) file parameter in a load action to zimplit.php and (2) client parameter to English_manual_version_2.php.
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Analysis
by VulDB Data Team • 12/27/2025
The vulnerability identified as CVE-2010-4513 represents a critical cross-site scripting flaw within Zimplit CMS version 3.0 and potentially earlier releases. This vulnerability stems from inadequate input validation and sanitization mechanisms within the content management system's web interface. The flaw specifically manifests in two distinct attack vectors that exploit the application's failure to properly escape or filter user-supplied data before rendering it within web pages. The first vulnerable parameter is the file parameter within the load action of zimplit.php, while the second involves the client parameter in the English_manual_version_2.php file. These endpoints represent legitimate application functions that accept external input, making them prime targets for malicious exploitation.
The technical implementation of this vulnerability aligns with CWE-79, which defines cross-site scripting as a code injection attack where malicious scripts are injected into otherwise trusted websites. The flaw occurs because the application processes user input without proper sanitization before incorporating it into dynamic web content. When an attacker submits malicious script code through either the file or client parameters, the CMS fails to validate or escape the input before displaying it to other users. This creates an environment where the injected scripts execute in the context of other users' browsers, potentially leading to session hijacking, credential theft, or unauthorized actions performed on behalf of victims. The vulnerability demonstrates poor input handling practices and highlights the absence of proper output encoding mechanisms that would prevent malicious code from being interpreted as executable script rather than plain text.
The operational impact of CVE-2010-4513 extends beyond simple data theft or defacement, as it enables sophisticated attack vectors that can compromise entire user bases. An attacker could exploit this vulnerability to establish persistent access to user sessions, steal authentication tokens, or redirect victims to malicious sites that appear legitimate. The vulnerability affects not just individual users but potentially all visitors to a compromised website, making it particularly dangerous for content management systems that serve multiple users. The attack requires minimal technical expertise and can be automated, increasing the likelihood of successful exploitation. This vulnerability also demonstrates the broader security implications of inadequate input validation in web applications, as it represents a fundamental flaw in the application's data handling processes that can be leveraged for various malicious purposes.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms. The primary solution involves sanitizing all user-supplied input through strict validation and escaping before processing or displaying content. Organizations should implement proper parameter validation in both zimplit.php and English_manual_version_2.php files, ensuring that all input parameters are checked against expected formats and ranges. The implementation of Content Security Policy headers can provide additional protection by restricting script execution contexts. Regular security audits and code reviews should be conducted to identify similar vulnerabilities in other application components. According to ATT&CK framework, this vulnerability maps to T1059.001 (Command and Scripting Interpreter: PowerShell) and T1566 (Phishing) as attackers may use the compromised system to launch further attacks or deliver malicious payloads. Organizations should also consider implementing web application firewalls to detect and block malicious input patterns, while maintaining up-to-date patches and monitoring for exploitation attempts. The vulnerability underscores the importance of secure coding practices and the necessity of following established security frameworks such as OWASP Top Ten to prevent similar issues in future development cycles.