CVE-2009-0338 in Blog Manager
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in inc_webblogmanager.asp in DMXReady Blog Manager allows remote attackers to inject arbitrary web script or HTML via the CategoryID parameter in a refer action.
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Analysis
by VulDB Data Team • 07/02/2024
The CVE-2009-0338 vulnerability represents a classic cross-site scripting flaw within the DMXReady Blog Manager application, specifically targeting the inc_webblogmanager.asp component. This vulnerability resides in the handling of user-supplied input through the CategoryID parameter when processing refer actions, creating an exploitable entry point for malicious actors to inject arbitrary web scripts or HTML content into the application's response. The flaw demonstrates a fundamental failure in input validation and output encoding practices that directly violates core web application security principles.
The technical implementation of this vulnerability stems from the application's inadequate sanitization of the CategoryID parameter, which is processed without proper validation or encoding mechanisms. When the application receives a refer action with a malicious CategoryID value, it fails to properly escape or filter special characters that could be interpreted as HTML or JavaScript code. This allows attackers to inject malicious payloads that execute within the context of other users' browsers when they view the affected content. The vulnerability specifically affects the inc_webblogmanager.asp script, which serves as a critical component in the blog management functionality of the DMXReady platform.
From an operational impact perspective, this XSS vulnerability creates significant risks for both end-users and system administrators. Attackers can leverage this flaw to steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious sites, or even execute more sophisticated attacks such as credential theft or browser exploitation. The vulnerability's remote nature means that attackers can exploit it without requiring local access or authentication, making it particularly dangerous in publicly accessible web applications. The potential for persistent XSS attacks increases the threat surface, as malicious content could be stored and executed repeatedly against unsuspecting users.
Security professionals should note that this vulnerability aligns with CWE-79, which specifically addresses Cross-site Scripting flaws in web applications. The ATT&CK framework categorizes this as a web application attack vector under the T1059.007 technique for Command and Scripting Interpreter, as the injected scripts can execute commands within user browsers. Mitigation strategies must focus on implementing comprehensive input validation, output encoding, and proper parameter sanitization. Organizations should deploy proper web application firewalls, implement Content Security Policy headers, and ensure all user-supplied input undergoes rigorous validation before being processed or displayed. Regular security assessments and code reviews should specifically target parameter handling mechanisms to prevent similar vulnerabilities from emerging in future application versions.