CVE-2010-1872 in FlashCard
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in cPlayer.php in FlashCard 2.6.5 and 3.0.1 allows remote attackers to inject arbitrary web script or HTML via the id parameter. NOTE: some of these details are obtained from third party information.
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Analysis
by VulDB Data Team • 05/21/2025
The vulnerability identified as CVE-2010-1872 represents a critical cross-site scripting flaw within the FlashCard application version 2.6.5 and 3.0.1. This security weakness resides in the cPlayer.php component which fails to properly sanitize user input before incorporating it into web page responses. The vulnerability specifically affects the id parameter, which serves as an entry point for malicious actors to inject arbitrary web scripts or HTML content into the application's output. Such flaws typically arise from inadequate input validation and output encoding practices that allow attacker-controlled data to be executed within the context of legitimate user sessions.
The technical implementation of this vulnerability stems from the application's failure to implement proper sanitization mechanisms for the id parameter. When user-supplied data is directly processed and rendered without adequate filtering or encoding, it creates an environment where malicious payloads can be executed in the victim's browser context. This type of vulnerability falls under the Common Weakness Enumeration category CWE-79, which specifically addresses cross-site scripting vulnerabilities resulting from insufficient input validation and output encoding. The flaw essentially allows attackers to inject client-side scripts that can execute in the victim's browser, potentially leading to session hijacking, data theft, or unauthorized actions performed on behalf of the user.
The operational impact of this vulnerability extends beyond simple script injection, as it enables attackers to exploit the trust relationship between the web application and its users. An attacker could craft malicious URLs containing script payloads that, when clicked by unsuspecting users, would execute in their browser context. This could result in session cookie theft, credential harvesting, or redirection to malicious sites. The vulnerability's remote nature means that attackers do not require physical access to the system or network, making it particularly dangerous in web-based environments where users may interact with the application from various locations. The attack vector demonstrates how insufficient security controls in web applications can lead to significant compromises of user data and application integrity.
Mitigation strategies for CVE-2010-1872 should focus on implementing comprehensive input validation and output encoding measures. The most effective approach involves sanitizing all user-provided input through proper validation techniques and ensuring that any data rendered in web pages is properly encoded to prevent script execution. Organizations should implement proper parameter validation that rejects or filters out potentially malicious input patterns before processing. The solution aligns with the ATT&CK framework's mitigation strategies for web application vulnerabilities, particularly focusing on input validation and output encoding controls. Additionally, applying the principle of least privilege and implementing proper access controls can limit the potential damage from successful exploitation attempts, while regular security assessments and code reviews can help identify similar vulnerabilities in other application components.