CVE-2006-0243 in SMBCMS
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in SMBCMS 2.1 allows remote attackers to inject arbitrary web script or HTML via the text parameter, which is used by the "Search Site" field. 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 • 07/17/2018
This cross-site scripting vulnerability exists in SMBCMS 2.1 software where the text parameter in the "Search Site" field fails to properly sanitize user input, creating an exploitable condition for remote attackers. The vulnerability falls under the CWE-79 category of Cross-Site Scripting, which represents one of the most prevalent and dangerous web application security flaws. When users submit search queries through the site search functionality, the application does not adequately validate or escape the input before rendering it back to the user interface, allowing malicious scripts to be executed in the context of other users' browsers.
The technical exploitation of this vulnerability occurs when an attacker crafts malicious input containing javascript code or html tags within the search field parameter. Upon submission, the application processes this input without proper sanitization measures, storing or displaying the malicious content directly in the web page response. This creates a persistent XSS vector where any user who views the affected search results or interacts with the malicious content becomes a victim of the attack. The vulnerability is classified as a reflected XSS issue since the malicious script is reflected back to the user through the search results page, making it particularly dangerous for widespread exploitation.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform a wide range of malicious activities including session hijacking, credential theft, defacement of web content, and redirection to malicious sites. Attackers can leverage this vulnerability to steal cookies, access user accounts, modify website content, or even establish backdoors for persistent access. The attack surface is particularly concerning in content management systems where administrators and regular users may have different privilege levels, as successful exploitation could lead to complete system compromise. This vulnerability demonstrates a critical failure in input validation and output encoding practices that should be implemented according to OWASP Top Ten security guidelines.
Mitigation strategies should focus on implementing robust input validation and output encoding mechanisms throughout the application. The recommended approach includes sanitizing all user-supplied input before processing or storing it, implementing proper HTML escaping for dynamic content, and utilizing Content Security Policy headers to limit script execution. Organizations should also consider implementing web application firewalls, conducting regular security testing, and ensuring proper application hardening practices. The vulnerability highlights the importance of following secure coding practices as outlined in the ATT&CK framework's web application security categories, specifically focusing on preventing injection attacks and ensuring proper input sanitization across all user-facing application components.