CVE-2006-1908 in myEvent
Summary
by MITRE
Cross-site scripting vulnerability in addevent.php in myEvent 1.x allows remote attackers to inject arbitrary web script or HTML via the event_desc 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 • 06/19/2019
The vulnerability identified as CVE-2006-1908 represents a classic cross-site scripting flaw within the myEvent 1.x calendar application's addevent.php component. This security weakness specifically targets the event_desc parameter, which serves as an entry point for malicious input manipulation. The vulnerability exists in the web application's input validation mechanisms, where user-supplied data is not properly sanitized before being processed and displayed back to other users. The affected application fails to implement adequate output encoding or filtering techniques, creating an environment where attackers can inject malicious scripts that execute in the context of other users' browsers.
This cross-site scripting vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a critical security weakness in web applications. The flaw enables remote attackers to execute arbitrary web scripts or HTML code through the event_desc parameter, potentially compromising user sessions and data integrity. The vulnerability's impact extends beyond simple script injection, as it can be exploited to steal session cookies, redirect users to malicious websites, or perform actions on behalf of authenticated users. The attack vector is particularly concerning because it does not require authentication or privileged access, making it accessible to any remote user who can interact with the application's event submission functionality.
The operational impact of this vulnerability is significant for organizations relying on myEvent 1.x for calendar management and event coordination. When exploited, the XSS flaw can lead to session hijacking, where attackers gain unauthorized access to user accounts and potentially escalate privileges. The vulnerability also poses risks to data integrity and confidentiality, as malicious scripts could capture sensitive information entered by users or modify calendar entries. Additionally, the attack could be used to deface the calendar application, disrupt services, or serve as a stepping stone for more sophisticated attacks within the network. The vulnerability's persistence in the application's output means that any user viewing the affected calendar events could be compromised, creating a wide potential attack surface.
Mitigation strategies for CVE-2006-1908 should focus on implementing robust input validation and output encoding mechanisms throughout the application's codebase. The most effective approach involves sanitizing all user input through proper escaping techniques before processing or storing data, particularly for parameters like event_desc that are directly rendered in web pages. Implementing Content Security Policy headers can provide additional protection against script execution, while regular security code reviews should be conducted to identify similar vulnerabilities in other application components. The application should also be updated to a supported version that addresses this vulnerability, as myEvent 1.x is an outdated application with no active security support. Organizations should consider implementing web application firewalls and monitoring systems to detect and prevent exploitation attempts, while user education about recognizing potentially malicious calendar entries remains an important defensive measure. The vulnerability demonstrates the critical importance of input validation and output encoding in preventing XSS attacks, aligning with ATT&CK techniques focused on command and control through web-based exploitation methods.