CVE-2012-1217 in STHS v2 Web Portal
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in STHS v2 Web Portal 2.2 allow remote attackers to inject arbitrary web script or HTML via the team parameter to (1) prospects.php, (2) prospect.php, or (3) team.php.
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Analysis
by VulDB Data Team • 04/26/2025
The vulnerability identified as CVE-2012-1217 represents a critical cross-site scripting flaw affecting the STHS v2 Web Portal version 2.2, specifically targeting the team parameter across three distinct PHP scripts. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a fundamental web application security weakness that allows attackers to inject malicious client-side scripts into web pages viewed by other users. The affected scripts prospecks.php, prospect.php, and team.php all process user-supplied input through the team parameter without adequate sanitization or output encoding, creating an exploitable condition that can be leveraged by remote attackers to execute arbitrary web scripts or HTML code within the context of a victim's browser session.
The technical exploitation of this vulnerability occurs when an attacker crafts malicious input containing script code and submits it through the team parameter in any of the three affected endpoints. When the web application processes this input without proper validation or sanitization, the malicious code gets embedded into the web page's HTML output and subsequently executed in the victim's browser. This creates a persistent threat vector where attackers can perform various malicious activities including session hijacking, credential theft, defacement of web content, or redirection to malicious websites. The vulnerability demonstrates poor input validation practices and inadequate output encoding mechanisms, which are fundamental security controls that should be implemented at every layer of web application development to prevent such injection attacks.
The operational impact of CVE-2012-1217 extends beyond simple data theft or content modification, as it provides attackers with the capability to establish persistent access to user sessions and potentially escalate privileges within the web portal environment. Attackers can leverage this vulnerability to create backdoors, steal sensitive information, or manipulate the web portal's functionality to compromise the integrity of the entire system. From an ATT&CK framework perspective, this vulnerability maps to T1059.007 (Scripting) and T1566.001 (Phishing with Malicious Attachment) as attackers can use the XSS payload to deliver malicious scripts that further exploit user browsers or trick users into downloading harmful attachments. The vulnerability also enables techniques such as T1548.001 (Abuse Elevation Control Mechanism) by potentially allowing attackers to escalate privileges through session manipulation and cookie theft.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term architectural improvements. The primary fix involves implementing strict input validation and output encoding across all user-supplied parameters, particularly the team parameter in the affected scripts. Developers should employ context-specific output encoding techniques such as HTML entity encoding for HTML contexts, JavaScript encoding for script contexts, and URL encoding for URL contexts. Additionally, implementing a Content Security Policy (CSP) header can provide an additional layer of protection against XSS attacks by restricting the sources from which scripts can be loaded and executed. The vulnerability also underscores the importance of regular security code reviews, automated vulnerability scanning, and comprehensive testing including dynamic application security testing to identify similar injection flaws across the entire web application stack. Organizations should also consider implementing web application firewalls and input validation mechanisms at the network level to provide defense-in-depth against such attacks.