CVE-2008-1634 in Folder Gallery
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in index.php in JV2 Folder Gallery 3.1 allows remote attackers to inject arbitrary web script or HTML via the image 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
This cross-site scripting vulnerability exists in the JV2 Folder Gallery 3.1 web application where the index.php script fails to properly sanitize user input passed through the image parameter. The flaw represents a classic reflected XSS vulnerability that allows remote attackers to inject malicious web scripts or HTML content into web pages viewed by other users. The vulnerability stems from the application's inadequate input validation and output encoding mechanisms, which permit malicious payloads to be executed in the context of other users' browsers. The attack vector is particularly concerning as it requires no authentication or privileged access, making it highly exploitable in environments where the gallery is publicly accessible.
The technical implementation of this vulnerability occurs when user-supplied data from the image parameter is directly incorporated into the web page response without proper sanitization or encoding. This creates an opportunity for attackers to craft malicious URLs containing script tags or other HTML content that executes when the page loads. The vulnerability falls under CWE-79 which specifically addresses Cross-Site Scripting flaws in web applications, and aligns with ATT&CK technique T1566.001 for initial access through malicious web content. The impact extends beyond simple script execution as attackers can potentially steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users.
The operational impact of this vulnerability is significant for any organization utilizing JV2 Folder Gallery 3.1, particularly those with public-facing web galleries or content management systems. Users who view compromised gallery pages become unwitting participants in the attack, creating a propagation mechanism that can amplify the damage. The vulnerability demonstrates poor security practices in input handling and output encoding that violates fundamental web security principles. Organizations may experience reputational damage, potential data breaches, and compliance violations if user sessions are compromised. The reflected nature of the XSS means that attackers can craft specific payloads for individual users or broadcast attacks to multiple victims simultaneously.
Mitigation strategies should focus on implementing proper input validation and output encoding mechanisms throughout the application. The most effective immediate fix involves sanitizing all user-supplied input from the image parameter before incorporating it into web responses, using context-appropriate encoding such as HTML entity encoding for web page content. Organizations should implement Content Security Policy headers to limit script execution and prevent unauthorized code injection. Regular security audits and input validation testing should be conducted to identify similar vulnerabilities in other parameters. The fix aligns with security best practices outlined in OWASP Top Ten and should be prioritized as a high-severity remediation. Additionally, implementing web application firewalls and monitoring for suspicious input patterns can provide additional defense-in-depth measures against similar attacks.