CVE-2008-1636 in Quick Gallery
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in index.php in JV2 Quick Gallery 1.1 allows remote attackers to inject arbitrary web script or HTML via the f 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 • 11/14/2017
The CVE-2008-1636 vulnerability represents a classic cross-site scripting flaw in the JV2 Quick Gallery 1.1 web application, specifically targeting the index.php script. This vulnerability classifies under CWE-79 which defines improper neutralization of input during web page generation, making it a fundamental web security weakness that has persisted across numerous applications. The vulnerability manifests when the application fails to properly sanitize user input passed through the f parameter, creating an avenue for malicious actors to inject arbitrary web scripts or HTML content into the application's response.
The technical exploitation of this vulnerability occurs through the manipulation of the f parameter in the index.php endpoint, where user-supplied data is directly incorporated into the web page output without adequate validation or encoding. This allows attackers to craft malicious payloads that execute within the context of other users' browsers, potentially leading to session hijacking, credential theft, or unauthorized actions performed on behalf of victims. The vulnerability exists because the application does not implement proper input sanitization or output encoding mechanisms to prevent malicious code from being executed in the browser context.
From an operational perspective, this XSS vulnerability poses significant risks to both end users and the application administrators. Users who view gallery pages may unknowingly execute malicious scripts that could steal their session cookies, redirect them to phishing sites, or perform unauthorized actions within the gallery application. The impact extends beyond simple script execution as it can enable more sophisticated attacks such as credential harvesting or privilege escalation within the application's user context. Attackers can leverage this vulnerability to compromise user sessions and potentially gain unauthorized access to sensitive data or functionality within the gallery system.
Security mitigations for CVE-2008-1636 should focus on implementing proper input validation and output encoding practices. The most effective approach involves sanitizing all user-supplied input through proper validation mechanisms before processing, and ensuring that all dynamic content is properly encoded when rendered in web pages. This includes implementing Content Security Policy (CSP) headers to limit script execution, utilizing proper HTML escaping techniques for output rendering, and applying input validation that rejects or removes potentially malicious characters. The vulnerability aligns with ATT&CK technique T1059 which describes the use of scripting languages to execute malicious code, and demonstrates the critical importance of input validation as outlined in OWASP Top 10 A03:2021. Organizations should also consider implementing web application firewalls and regular security testing to identify similar vulnerabilities in their web applications.