CVE-2007-2472 in sendcard
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in sendcard.php in Sendcard 3.4.1 and earlier allows remote attackers to inject arbitrary web script or HTML via the form 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 • 11/26/2024
The vulnerability identified as CVE-2007-2472 represents a classic cross-site scripting flaw within the sendcard.php script of Sendcard version 3.4.1 and earlier. This type of vulnerability falls under the broader category of CWE-79 - Improper Neutralization of Input During Web Page Generation, which specifically addresses the failure to properly sanitize user input before incorporating it into web page content. The flaw manifests when the application fails to adequately validate or escape the form parameter input, allowing malicious actors to inject arbitrary HTML or JavaScript code that executes in the context of other users' browsers.
The technical implementation of this vulnerability occurs within the sendcard.php file where user-supplied data from the form parameter is directly incorporated into the web response without proper sanitization measures. When a victim visits a page containing the maliciously injected script, the browser executes the embedded code as if it were legitimate content, potentially leading to session hijacking, credential theft, or redirection to malicious sites. This vulnerability operates at the application layer and can be exploited through various vectors including email links, web forms, or any mechanism that accepts user input and displays it without proper encoding.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with the capability to manipulate the application's behavior and compromise user sessions. Attackers can leverage this flaw to execute malicious scripts that may steal cookies, modify page content, redirect users to phishing sites, or even perform actions on behalf of authenticated users. The vulnerability's remote exploitation capability means that attackers do not need physical access to the system or local network privileges to carry out attacks. According to ATT&CK framework, this vulnerability maps to T1059.007 - Command and Scripting Interpreter: PowerShell, though more specifically it aligns with T1566.001 - Phishing: Spearphishing Attachment, as the attack vector typically involves tricking users into submitting malicious payloads through seemingly legitimate web forms.
Mitigation strategies for CVE-2007-2472 should focus on implementing proper input validation and output encoding mechanisms throughout the application. The most effective approach involves implementing strict input validation that rejects or sanitizes potentially malicious characters before they are processed by the application. Additionally, developers should employ proper output encoding techniques such as HTML entity encoding when displaying user-supplied content in web pages. The application should also implement Content Security Policy headers to limit the sources from which scripts can be executed, providing an additional layer of protection against XSS attacks. Regular security audits and code reviews should be conducted to identify similar vulnerabilities in other application components, as this type of flaw often indicates broader security weaknesses in input handling practices. Organizations should also consider implementing web application firewalls and automated vulnerability scanning tools to detect and prevent exploitation attempts. The vulnerability serves as a reminder of the critical importance of input sanitization and output encoding in preventing XSS attacks, which remain one of the most prevalent and dangerous web application security threats identified by OWASP Top Ten Project.