CVE-2008-5202 in OTManager
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in index.php in OTManager CMS 24a allows remote attackers to inject arbitrary web script or HTML via the conteudo parameter.
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Analysis
by VulDB Data Team • 10/30/2024
The CVE-2008-5202 vulnerability represents a classic cross-site scripting flaw within the OTManager CMS version 24a, specifically targeting the index.php script. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and dangerous web application security weaknesses. The flaw manifests when the application fails to properly sanitize user input received through the conteudo parameter, allowing malicious actors to inject arbitrary web scripts or HTML content directly into the application's response. This particular vulnerability demonstrates a critical failure in input validation and output encoding mechanisms that should be implemented at the application level to prevent such injection attacks.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious payload containing script tags or other HTML elements and submits this content through the conteudo parameter in the index.php script. When the CMS processes this input without proper sanitization, the malicious code gets executed within the context of other users' browsers who view the affected page. This creates a persistent threat where the injected scripts can perform actions such as stealing session cookies, redirecting users to malicious sites, or defacing the website content. The vulnerability's impact is amplified by the fact that it affects the core CMS functionality, potentially compromising the entire website's security posture and user data integrity.
From an operational perspective, this XSS vulnerability poses significant risks to both website administrators and end users. Attackers can leverage this flaw to execute malicious scripts that may steal sensitive information, including authentication tokens and user credentials, or manipulate the website's content to spread malware. The attack surface is particularly concerning because CMS platforms often serve as central repositories for website functionality and user data, making them attractive targets for cybercriminals. The vulnerability also demonstrates poor security practices in input handling that could indicate broader architectural weaknesses within the CMS codebase, potentially exposing other components to similar attacks.
Mitigation strategies for CVE-2008-5202 should focus on implementing robust input validation and output encoding mechanisms throughout the application. The primary defense involves sanitizing all user inputs, particularly the conteudo parameter, by removing or encoding potentially dangerous characters and script tags before processing or displaying the content. This approach aligns with the OWASP Secure Coding practices and addresses the fundamental root cause of the vulnerability. Additionally, implementing Content Security Policy (CSP) headers can provide an additional layer of protection by restricting the sources from which scripts can be loaded, thereby limiting the impact of successful XSS attacks. Organizations should also consider upgrading to patched versions of OTManager CMS or implementing web application firewalls to detect and block malicious payloads attempting to exploit this vulnerability. Regular security assessments and code reviews are essential to identify similar weaknesses in other parameters and components that may be susceptible to the same class of attacks, ensuring comprehensive protection against cross-site scripting threats across the entire application stack.