CVE-2008-0362 in Clever Copy
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in gallery.php in Clever Copy 3.0 and earlier allows remote attackers to inject arbitrary web script or HTML via the album parameter.
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Analysis
by VulDB Data Team • 11/07/2017
The vulnerability identified as CVE-2008-0362 represents a classic cross-site scripting flaw within the Clever Copy content management system version 3.0 and earlier. This issue specifically affects the gallery.php script where user input is not properly sanitized before being rendered back to web browsers. The vulnerability arises from the application's failure to validate or escape the album parameter, creating an opportunity for malicious actors to inject arbitrary web scripts or HTML code into the application's output.
The technical implementation of this vulnerability stems from insufficient input validation mechanisms within the Clever Copy framework. When users provide data through the album parameter, the system processes this input without adequate sanitization measures. This weakness allows attackers to craft malicious payloads that execute within the context of other users' browsers who view the affected gallery page. The vulnerability is categorized under CWE-79 as a failure to sanitize user input, which directly enables malicious code execution in web applications.
From an operational perspective, this XSS vulnerability poses significant risks to both end users and system administrators. Attackers can exploit this flaw to steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious websites, or even deface the affected website. The impact extends beyond simple data theft as it can enable more sophisticated attacks including session hijacking, credential theft, and potential lateral movement within network environments where users interact with the vulnerable application. The vulnerability affects all users who access the gallery functionality, making it particularly dangerous in multi-user environments.
Security practitioners should implement multiple layers of mitigation strategies to address this vulnerability. The primary remediation involves input validation and output encoding of all user-supplied data before processing or rendering. Specifically, developers should implement proper HTML entity encoding for all dynamic content and validate input parameters against expected formats. The application should enforce strict input validation rules for the album parameter, rejecting or sanitizing any input containing potentially dangerous characters or script tags. Additionally, implementing a content security policy can provide additional protection against script execution even if other defenses fail. Organizations should also consider deploying web application firewalls to detect and block malicious payloads attempting to exploit this vulnerability. This vulnerability aligns with ATT&CK technique T1566 which covers social engineering through malicious web content, and T1059 which covers command and scripting interpreters for code execution within web applications.