CVE-2009-3146 in ArticleFriend Script
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in search_advance.php in ArticleFriend Script allows remote attackers to inject arbitrary web script or HTML via the SearchWd parameter. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 12/21/2017
The CVE-2009-3146 vulnerability represents a classic cross-site scripting flaw within the ArticleFriend Script web application, specifically affecting the search_advance.php component. This vulnerability resides in the handling of user input through the SearchWd parameter, which serves as an entry point for attackers to inject malicious code into the application's search functionality. The flaw demonstrates a critical weakness in input validation and output sanitization mechanisms that are fundamental to web application security.
The technical implementation of this vulnerability stems from the application's failure to properly sanitize or escape user-supplied data before incorporating it into dynamically generated web content. When users submit search queries through the SearchWd parameter, the application processes this input without adequate validation or encoding measures, allowing attackers to embed malicious scripts that execute in the context of other users' browsers. This type of vulnerability falls under CWE-79, which specifically addresses Cross-Site Scripting flaws in software applications. The vulnerability enables attackers to execute arbitrary JavaScript code, potentially leading to session hijacking, data theft, or redirection to malicious sites.
The operational impact of this vulnerability extends beyond simple script injection, as it provides attackers with a persistent means of compromising user sessions and accessing sensitive information within the ArticleFriend Script environment. An attacker could craft malicious search terms that, when processed by the vulnerable application, would execute in the browsers of other users who view the search results. This creates a vector for various attack scenarios including credential theft, session manipulation, and potential escalation to more severe security breaches. The vulnerability operates at the application layer and can be exploited through standard web browser interactions, making it particularly dangerous for widespread deployment.
Mitigation strategies for CVE-2009-3146 should focus on implementing robust input validation and output encoding mechanisms throughout the application's codebase. The primary defense involves sanitizing all user input through proper encoding techniques such as HTML entity encoding before processing or displaying any user-supplied content. Additionally, developers should implement Content Security Policy headers to limit the execution of unauthorized scripts within the application context. The vulnerability aligns with ATT&CK technique T1531 which describes the use of web application vulnerabilities for privilege escalation and data manipulation. Organizations should also conduct regular security assessments and implement proper web application firewalls to detect and prevent exploitation attempts. The remediation process requires thorough code review and input validation implementation across all user-facing parameters within the application to prevent similar vulnerabilities from emerging in other components.