CVE-2005-3367 in SparkleBlog
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in journal.php in SparkleBlog 2.1 allows remote attackers to inject arbitrary web script or HTML via the name field.
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Analysis
by VulDB Data Team • 07/12/2018
The vulnerability identified as CVE-2005-3367 represents a classic cross-site scripting flaw within the SparkleBlog 2.1 content management system, specifically affecting the journal.php component. This type of vulnerability falls under the CWE-79 category known as "Cross-Site Scripting" and demonstrates a fundamental weakness in input validation and output encoding practices. The vulnerability manifests when user-supplied data from the name field is not properly sanitized before being rendered back to web browsers, creating an opportunity for malicious actors to execute arbitrary scripts within the context of other users' sessions.
The technical exploitation of this vulnerability occurs through the manipulation of the name field parameter in the journal.php script, which serves as an entry point for attackers to inject malicious code. When a victim visits a page containing the maliciously crafted input, their browser executes the injected script, potentially leading to session hijacking, credential theft, or redirection to malicious websites. The flaw exists because the application fails to implement proper input validation techniques or output encoding mechanisms that would prevent the execution of embedded scripts. This vulnerability aligns with ATT&CK technique T1566.001 which describes the use of web shell injection through input validation bypasses, and represents a common pattern in legacy web applications where security measures were not adequately implemented during development phases.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to establish persistent access to user sessions and potentially compromise the entire blog platform. Attackers can leverage this weakness to steal cookies, modify content, or redirect users to phishing sites, making it particularly dangerous for blogs that host sensitive information or user interactions. The vulnerability affects the core functionality of the blogging platform by allowing unauthorized code execution, which can lead to data breaches, content manipulation, and potential compromise of user accounts. Organizations using SparkleBlog 2.1 would face significant risk exposure, particularly in environments where users submit content through the journal.php interface, as the vulnerability can be exploited without requiring authentication or special privileges.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application. The most effective immediate solution involves sanitizing all user input through proper escaping techniques before rendering content in web pages, which aligns with CWE-116 recommendations for secure input handling. Additionally, implementing Content Security Policy headers can provide an additional layer of protection against script execution, while regular security audits and code reviews should be conducted to identify similar vulnerabilities in other components. The remediation process requires developers to ensure that all parameters, particularly those used in user-facing forms, undergo proper validation and encoding before being processed or displayed, following the principle of least privilege and defense in depth strategies. Organizations should also consider upgrading to supported versions of the blogging platform or implementing web application firewalls as temporary measures while permanent fixes are deployed.