CVE-2007-6141 in vBTube
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in vBTube.php in vBTube 1.1 Beta allows remote attackers to inject arbitrary web script or HTML via the search parameter.
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Analysis
by VulDB Data Team • 09/12/2018
The vulnerability described in CVE-2007-6141 represents a classic cross-site scripting flaw within the vBTube 1.1 Beta web application, specifically affecting the vBTube.php script. This issue arises from inadequate input validation and sanitization mechanisms that fail to properly process user-supplied data before incorporating it into dynamic web content. The vulnerability exists in the search parameter handling functionality, where attacker-controlled input is directly reflected in the application's output without appropriate encoding or filtering measures.
This particular XSS vulnerability falls under CWE-79 which categorizes improper neutralization of input during web page generation, making it a fundamental web application security weakness that has persisted across numerous web platforms and frameworks. The flaw enables remote attackers to execute malicious scripts in the context of other users' browsers, potentially leading to session hijacking, credential theft, or unauthorized actions performed on behalf of victims. The attack vector is particularly concerning as it requires no privileged access or authentication to exploit, making it accessible to any user interacting with the vulnerable application.
The operational impact of this vulnerability extends beyond simple script execution, as it can be leveraged to create persistent attacks through malicious links shared within the application's community. Attackers can craft search queries containing malicious JavaScript payloads that will execute whenever other users view the search results or interact with the affected page. This creates a potential for widespread compromise within the application's user base, particularly if the platform hosts sensitive community discussions or user-generated content. The vulnerability's exploitation can lead to data exfiltration, account takeovers, and the potential for establishing backdoors within the application environment.
Mitigation strategies for this vulnerability should prioritize immediate input sanitization and output encoding mechanisms, implementing proper HTML escaping for all user-controllable parameters before rendering them in web pages. The fix requires comprehensive validation of the search parameter input, ensuring that any potentially malicious content is either rejected or properly encoded to prevent script execution. Organizations should also implement Content Security Policy headers to add an additional layer of protection against XSS attacks. The remediation process aligns with ATT&CK technique T1059.001 for command and scripting interpreter and T1566.001 for credential access through social engineering, as the vulnerability could enable attackers to escalate privileges through session manipulation. Regular security audits and input validation testing should be implemented to prevent similar vulnerabilities from emerging in other application components, particularly those handling user input in web applications. The fix should also include proper error handling and logging mechanisms to detect and respond to potential exploitation attempts.