CVE-2006-6188 in Clickgallery
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in view_search.asp in ClickTech Click Gallery allows remote attackers to inject arbitrary web script or HTML via the txtKeyWord parameter. NOTE: some of these details are obtained from third party information.
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Analysis
by VulDB Data Team • 08/09/2018
The vulnerability identified as CVE-2006-6188 represents a classic cross-site scripting flaw within the ClickTech Click Gallery web application, specifically affecting the view_search.asp component. This type of vulnerability falls under the CWE-79 category, which encompasses weaknesses related to improper neutralization of input during web page generation. The vulnerability manifests when the application fails to properly sanitize user-supplied input before incorporating it into dynamically generated web content, creating an avenue for malicious actors to execute arbitrary scripts within the context of other users' browsers.
The technical exploitation of this vulnerability occurs through the txtKeyWord parameter, which serves as an input field for search functionality within the gallery application. When attackers submit malicious script code through this parameter, the application processes the input without adequate validation or sanitization, subsequently rendering the malicious content within the search results page. This allows attackers to inject HTML or JavaScript code that executes in the victim's browser when they view the affected search results, potentially leading to session hijacking, credential theft, or redirection to malicious sites.
The operational impact of this vulnerability extends beyond simple script injection, as it enables attackers to manipulate the user experience and potentially compromise the integrity of the web application. Users interacting with the gallery may unknowingly execute malicious code that can capture their session cookies, redirect them to phishing sites, or perform unauthorized actions on their behalf. The vulnerability is particularly concerning in environments where the gallery application serves as a platform for user-generated content or where administrative functions are accessible through the same interface.
Mitigation strategies for this vulnerability should focus on implementing robust input validation and output encoding mechanisms. The primary defense involves sanitizing all user input through proper validation techniques that reject or escape potentially dangerous characters and patterns before processing. Additionally, implementing Content Security Policy headers and using proper HTML encoding for dynamic content can significantly reduce the risk of successful exploitation. Organizations should also consider implementing web application firewalls and conducting regular security assessments to identify similar vulnerabilities across their web applications. This vulnerability aligns with ATT&CK technique T1059.007, which describes the use of scripting languages for code execution, and represents a fundamental security gap that requires comprehensive input validation measures to address effectively.