CVE-2005-4196 in Scout Portal Toolkit
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Scout Portal Toolkit (SPT) 1.3.1 and earlier allow remote attackers to inject arbitrary web script or HTML via (1) the ss parameter in SPT--QuickSearch.php; (2) ParentId parameter in SPT--BrowseResources.php; (3) the ResourceId parameter in SPT--FullRecord.php; (4) ResourceOffset parameter in SPT--Home.php, (5) F_SearchString parameter in SPT--QuickSearch.php; (6) F_UserName and (7) F_Password parameters in SPT--UserLogin.php; (8) F_SearchCat1, (9) F_TextField1, (10) F_SearchCat2, (11) F_TextField2, (12) F_SearchCat3, (13) F_TextField3, (14) F_SearchCat4, (15) F_TextField4, (16) ResourceType, (17) Language, (18) Audience, (19) Format parameters in SPT--AdvancedSearch.php.
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Analysis
by VulDB Data Team • 11/22/2025
The vulnerability described in CVE-2005-4196 represents a critical cross-site scripting flaw affecting Scout Portal Toolkit version 1.3.1 and earlier implementations. This vulnerability resides within multiple PHP scripts that handle user input without proper sanitization or output encoding mechanisms, creating persistent attack vectors that can be exploited by remote threat actors to execute malicious scripts within the context of victim browsers. The affected components span across several core portal functionalities including search operations, resource browsing, user authentication, and advanced search capabilities, making this a comprehensive security weakness that impacts the entire application surface.
The technical exploitation of this vulnerability occurs through improper handling of user-supplied parameters in multiple HTTP request methods. Attackers can manipulate parameters such as ss, ParentId, ResourceId, ResourceOffset, F_SearchString, F_UserName, F_Password, and numerous others across different PHP scripts to inject malicious JavaScript code or HTML content. These parameters are directly incorporated into web responses without adequate validation or sanitization, allowing attackers to craft payloads that execute in the victim's browser context. The vulnerability aligns with CWE-79 which specifically addresses Cross-Site Scripting flaws in web applications, where input data is not properly escaped before being rendered in web pages.
The operational impact of this vulnerability is severe and multifaceted, as it enables attackers to perform various malicious activities including session hijacking, credential theft, data exfiltration, and defacement of the portal content. Remote attackers can exploit these vectors to steal user sessions, capture login credentials, redirect users to malicious sites, or inject persistent malicious content that affects all users interacting with the vulnerable portal. The widespread nature of affected parameters across different functional areas means that exploitation opportunities exist throughout the application lifecycle, from initial user authentication through search operations and resource management. This vulnerability directly maps to several ATT&CK techniques including T1566 for credential access through phishing and T1531 for manipulation of web applications, making it a significant threat to the overall security posture of organizations relying on this portal toolkit.
Mitigation strategies for this vulnerability must address the root cause through comprehensive input validation and output encoding practices. Organizations should implement strict parameter validation mechanisms that sanitize all user-supplied input before processing, employ proper HTML escaping for all dynamic content, and utilize context-specific encoding for different output contexts. The recommended approach includes implementing a whitelist-based input validation system that only accepts known good values, deploying Content Security Policy headers to limit script execution, and conducting regular security code reviews to identify similar vulnerabilities. Additionally, upgrading to patched versions of Scout Portal Toolkit and implementing proper web application firewall rules to detect and block malicious payloads represent essential remediation steps. The vulnerability demonstrates the critical importance of input sanitization and output encoding as fundamental security controls that should be implemented across all web applications to prevent XSS attacks.