CVE-2006-0609 in phphd
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in add.php in Hinton Design phphd 1.0 allows remote attackers to inject arbitrary web script or HTML via unknown vectors.
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Analysis
by VulDB Data Team • 07/18/2018
The CVE-2006-0609 vulnerability represents a classic cross-site scripting flaw in the phphd 1.0 content management system developed by Hinton Design. This vulnerability specifically affects the add.php script, which serves as a critical component for adding new content to the system. The vulnerability stems from inadequate input validation and output sanitization mechanisms that fail to properly filter malicious user-supplied data before it is processed and rendered back to users. The unspecified attack vectors indicate that the flaw exists in multiple input handling scenarios within the add.php script, making it particularly dangerous as attackers can exploit various entry points to execute malicious code.
This XSS vulnerability operates under CWE-79 which classifies it as a weakness in input validation and output encoding. The flaw allows remote attackers to inject arbitrary web script or HTML code into the application's response, potentially compromising user sessions and enabling various malicious activities. The vulnerability's impact extends beyond simple script injection as it can be leveraged to perform session hijacking, deface websites, steal sensitive information, or redirect users to malicious sites. The lack of specific vector details in the original description suggests that the vulnerability may exist in multiple input parameters or form fields within the add.php script, creating numerous potential attack surfaces.
The operational impact of this vulnerability is significant for organizations using phphd 1.0 as it provides attackers with a direct pathway to compromise user security and system integrity. When users interact with the vulnerable application, any malicious scripts injected through the add.php form will execute in the context of the victim's browser, potentially leading to complete session compromise. The vulnerability aligns with ATT&CK technique T1566 which covers social engineering attacks through malicious web content, and T1059 which addresses command and scripting interpreters. Attackers can exploit this weakness to establish persistent access through browser-based attacks, making it particularly dangerous in environments where users regularly interact with the CMS.
Mitigation strategies for this vulnerability should include immediate input validation and output encoding implementations that sanitize all user-supplied data before processing. The recommended approach involves implementing strict input filtering mechanisms that reject or escape potentially malicious characters, particularly those used in HTML and JavaScript contexts. Organizations should deploy Content Security Policy headers to limit script execution and implement proper output encoding techniques that convert special characters into their HTML entity equivalents. Additionally, regular security audits and code reviews should be conducted to identify similar vulnerabilities in other application components. The fix should involve comprehensive sanitization of all data passed through the add.php script and implementation of a robust security framework that prevents XSS attacks across all user input handling mechanisms, aligning with security best practices outlined in OWASP Top Ten and NIST cybersecurity guidelines.