CVE-2006-6032 in SPHPBlog
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Simple PHP Blog (SPHPBlog), probably 0.4.8, allow remote attackers to inject arbitrary web script or HTML via (1) the action parameter in add_block.php or (2) the entry parameter in index.php, different vectors than CVE-2005-1135. NOTE: this has been reported to affect 0.8, but as of 20061121, the most recent version is only 0.4.9.
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Analysis
by VulDB Data Team • 04/28/2026
The vulnerability identified as CVE-2006-6032 represents a critical cross-site scripting flaw in Simple PHP Blog version 0.4.8 and potentially 0.8, demonstrating the persistent security weaknesses that plagued early web application frameworks. This vulnerability exists within the input validation mechanisms of the blogging platform, specifically in two distinct file processing pathways that fail to properly sanitize user-supplied data before rendering it within web pages. The flaw allows remote attackers to execute malicious scripts in the context of other users' browsers, creating a significant risk for both administrators and visitors of affected sites. The vulnerability's classification aligns with CWE-79, which defines improper neutralization of input during web page generation, making it a classic example of client-side code injection that undermines web application security foundations.
The technical implementation of this vulnerability occurs through two primary attack vectors that exploit the application's failure to validate or escape user input parameters. The first vector targets the action parameter within add_block.php, while the second targets the entry parameter in index.php, both of which are processed without adequate sanitization measures. When users submit data through these parameters, the application directly incorporates the input into HTML output without proper encoding or validation, creating opportunities for attackers to inject malicious JavaScript code or HTML content. This design flaw enables attackers to craft malicious payloads that can execute in the victim's browser context, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The vulnerability's persistence across versions indicates fundamental architectural issues in the input handling logic that were not properly addressed in the development lifecycle.
The operational impact of CVE-2006-6032 extends beyond simple script injection, creating potential pathways for more sophisticated attacks that can compromise entire web applications and user data integrity. Attackers leveraging this vulnerability can manipulate the blog's content delivery mechanisms to inject persistent malicious scripts that execute whenever affected pages are loaded, enabling them to capture user sessions, steal cookies, or redirect users to phishing sites. The vulnerability's presence in the core application logic means that successful exploitation could lead to complete compromise of the blogging platform, potentially allowing attackers to modify blog content, inject backdoors, or use the compromised system as a launch point for further attacks. This type of vulnerability directly violates security principles outlined in the OWASP Top Ten, specifically addressing the critical importance of input validation and output encoding in preventing injection attacks that undermine web application security.
Mitigation strategies for CVE-2006-6032 require immediate implementation of proper input validation and output encoding mechanisms throughout the affected application codebase. The most effective approach involves implementing strict parameter validation and HTML escaping for all user-supplied input before rendering it within web pages, which aligns with defensive programming practices recommended by the OWASP Application Security Verification Standard. Organizations should implement Content Security Policy headers to limit script execution capabilities, while also ensuring that all user input undergoes proper sanitization before being processed by the application. Additionally, the vulnerability highlights the importance of maintaining current software versions and implementing regular security audits, as the issue's persistence across versions suggests inadequate security testing during development. The remediation process should include comprehensive code reviews focused on input handling, implementation of proper parameter validation routines, and establishment of secure coding practices that prevent similar vulnerabilities from emerging in future development cycles, following principles established in the MITRE ATT&CK framework for web application security.