CVE-2002-2178 in phpWebSite
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in article.php module for phpWebSite 0.8.3 allows remote attackers to execute arbitrary Javascript script via the sid parameter, as demonstrated using an IMG tag.
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Analysis
by VulDB Data Team • 08/29/2025
The vulnerability identified as CVE-2002-2178 represents a critical cross-site scripting flaw within the article.php module of phpWebSite version 0.8.3. This security weakness stems from inadequate input validation and output encoding practices that fail to properly sanitize user-supplied data before incorporating it into web page responses. The specific exposure occurs through the sid parameter which is processed without sufficient sanitization measures, creating an avenue for malicious actors to inject and execute arbitrary javascript code within the context of other users' browsers.
The technical implementation of this vulnerability follows a classic XSS attack pattern where the attacker manipulates the sid parameter to include malicious javascript payload. When the vulnerable phpWebSite application processes this parameter and renders it within the article.php output without proper escaping or encoding, the embedded javascript code executes in the victim's browser context. The demonstration using an IMG tag illustrates how attackers can leverage this vulnerability to perform various malicious activities including cookie theft, session hijacking, or redirection to malicious sites. This particular exploitation technique exploits the browser's interpretation of html attributes and the lack of proper input filtering mechanisms within the application's codebase.
The operational impact of CVE-2002-2178 extends beyond simple script execution as it fundamentally compromises user session integrity and application security. When successful, this vulnerability allows attackers to impersonate legitimate users, access sensitive information, modify content, or redirect victims to phishing sites. The consequences are particularly severe in web applications where users trust the platform with personal data, authentication credentials, or administrative functions. The vulnerability affects the core web application functionality by undermining the expected security boundaries between user inputs and rendered content, potentially enabling broader exploitation within the application's attack surface. This weakness directly violates security principles related to input validation and output encoding as outlined in the CWE-79 category for cross-site scripting vulnerabilities.
Mitigation strategies for CVE-2002-2178 require immediate implementation of proper input sanitization and output encoding mechanisms throughout the phpWebSite application. The most effective remediation involves implementing comprehensive parameter validation that strips or encodes dangerous characters before processing user inputs. Security controls should include html escaping of all dynamic content, implementation of Content Security Policy headers, and adoption of secure coding practices that prevent direct injection of user data into web responses. Organizations should also consider implementing web application firewalls to detect and block suspicious parameter values, while regular security audits and code reviews should be conducted to identify similar vulnerabilities in other application components. The remediation efforts must align with industry standards such as those specified in the OWASP Top Ten and the ATT&CK framework's web application exploitation techniques, particularly focusing on the execution of malicious code through input manipulation.