CVE-2007-6641 in milliscripts
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in dir.php in milliscripts Redirection allows remote attackers to inject arbitrary web script or HTML via the cat parameter in a browse action.
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Analysis
by VulDB Data Team • 10/15/2025
The vulnerability identified as CVE-2007-6641 represents a classic cross-site scripting flaw within the milliscripts Redirection directory listing script. This issue specifically affects the dir.php component where the cat parameter in the browse action functionality fails to properly sanitize user input. The flaw enables remote attackers to inject malicious web script or HTML code directly into the application's response, creating a persistent security risk for users who interact with the affected system.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding practices within the application's codebase. When users navigate through directory structures using the browse action, the cat parameter value is directly incorporated into the HTML response without proper sanitization or encoding mechanisms. This allows malicious actors to craft specially formatted input that, when processed by the server, gets executed in the context of other users' browsers. The vulnerability operates under the Common Weakness Enumeration classification of CWE-79, which specifically addresses cross-site scripting flaws where untrusted data is improperly incorporated into web pages without adequate validation or encoding.
The operational impact of this vulnerability extends beyond simple script injection, potentially enabling attackers to perform session hijacking, steal sensitive user information, redirect users to malicious websites, or even execute arbitrary commands within the victim's browser context. Since the flaw exists in a directory listing script that is likely accessible to all users, the attack surface is broad and the potential for exploitation is significant. Users who browse directories through this vulnerable component may unknowingly execute malicious code, making this a particularly dangerous vulnerability for web applications that rely on directory navigation features.
Mitigation strategies for CVE-2007-6641 should focus on implementing proper input validation and output encoding mechanisms throughout the application. The recommended approach involves sanitizing all user-supplied input parameters, particularly those used in dynamic content generation, before incorporating them into HTML responses. This can be achieved through the use of established encoding functions that convert special characters into their HTML-safe equivalents, preventing the execution of embedded scripts. Additionally, implementing a content security policy can provide an additional layer of protection by restricting the sources from which scripts can be loaded. The vulnerability aligns with ATT&CK technique T1566 which covers social engineering through malicious content injection, making proper input sanitization and output encoding essential defensive measures. Organizations should also consider implementing web application firewalls that can detect and block suspicious input patterns, and ensure that all directory listing functionality properly validates and escapes user input to prevent similar vulnerabilities from occurring in future versions of the application.