CVE-2010-0700 in WampServer
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in index.php in WampServer 2.0i allows remote attackers to inject arbitrary web script or HTML via the lang parameter.
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Analysis
by VulDB Data Team • 05/01/2026
The vulnerability identified as CVE-2010-0700 represents a classic cross-site scripting flaw within the WampServer 2.0i web application environment. This issue specifically affects the index.php file and manifests through the improper handling of the lang parameter, creating a security exposure that enables remote attackers to execute malicious scripts within the context of other users' browsers. The vulnerability resides in the server's web interface, which is commonly used by developers and system administrators for managing local web development environments. WampServer, being a popular Windows-based web server solution that bundles Apache, MySQL, and PHP, makes this vulnerability particularly concerning as it affects a widely deployed development tool.
The technical exploitation of this XSS vulnerability occurs when an attacker crafts a malicious URL containing script code within the lang parameter of the index.php file. When a victim accesses this specially crafted link, the web application fails to properly sanitize or escape the input before rendering it in the browser context. This allows the injected malicious script to execute with the privileges of the victim user, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The vulnerability is classified as a reflected XSS issue since the malicious payload is reflected back to the user through the web application's response without being stored on the server. According to CWE-79, this represents a weakness in the web application's input validation and output encoding mechanisms, specifically in the handling of user-supplied data within web interfaces.
The operational impact of CVE-2010-0700 extends beyond simple script injection, as it compromises the integrity of the local development environment that WampServer provides. Attackers could potentially exploit this vulnerability to gain unauthorized access to local development resources, manipulate web application configurations, or harvest sensitive information from users who might be logged into development tools. The vulnerability is particularly dangerous in environments where multiple developers share the same local development server or where the server is accessible over a network. This flaw can be leveraged as a stepping stone for more sophisticated attacks, potentially allowing threat actors to establish persistent access to development systems or to compromise other applications running on the same server infrastructure. The ATT&CK framework categorizes this vulnerability under the T1059.007 technique for 'Command and Scripting Interpreter: JavaScript' as it enables attackers to execute malicious JavaScript code in the victim's browser context.
Mitigation strategies for CVE-2010-0700 should focus on input validation and output encoding practices that prevent malicious content from being executed within the web application context. The most effective immediate solution involves implementing proper parameter sanitization within the index.php file, specifically ensuring that the lang parameter is properly escaped or validated before being rendered in HTML output. Developers should apply the principle of least privilege by validating that language parameters conform to expected values and rejecting any input that does not match predefined acceptable formats. Additionally, implementing Content Security Policy headers can provide an additional layer of protection against XSS attacks by restricting the sources from which scripts can be loaded. Organizations using WampServer 2.0i should consider upgrading to newer versions of the software where such vulnerabilities have been addressed, as version 2.0i is an outdated release that no longer receives security updates. The vulnerability serves as a reminder of the critical importance of input validation in web applications and the necessity of following secure coding practices that prevent injection attacks. This issue demonstrates how even seemingly minor flaws in web application interfaces can create significant security risks when exploited by malicious actors.